Protesters converged on Cairo's Tahrir, or Liberation, Square in droves Tuesday, responding to a call for a million Egyptians to unite in the largest protest in a week of unceasing demands for President Hosni Mubarak to leave after nearly 30 years in power.

Richard Engel, NBC News' Chief Correspondent, lived in Cairo for about four years at the start of his career and is fluent in Arabic. He's been back in Cairo since the protests began gathering momentum last week. Earlier today, he responded to readers' questions about the protests, who the protesters are, what to look for next and what might be in store for Mubarak. Replay the chat below.

Follow developments in Egypt in msnbc's World Blog. 

Chat with NBC's Richard Engel from Cairo

Video: Engel: 'Is it enough?' Mubarak won't run again

Photos: Egypt unrest: Week 2

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  1. Egyptian anti-Mubarak protesters chant as they wave Egyptian flags in Cairo, Egypt, Sunday, Feb. 6. (Amr Nabil / AP) Back to slideshow navigation
  2. Egyptians shop at a vegetable market in Cairo, Feb. 6. Egypt tried to get the nation back to work on Sunday, and the vice president held unprecedented talks with a banned Islamic group and other opponents about their demand that President Hosni Mubarak quit. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  3. Egyptian anti-Mubarak protesters are seen inside a plastic tent at Tahrir Square in Cairo, Feb. 6. (Emilio Morenatti / AP) Back to slideshow navigation
  4. An Egyptian Muslim protester, left, kisses an Egyptian Christian holding a coptic cross as they take part in a protest in Tahrir Square in Cairo, Feb. 6. (Amel Pain / EPA) Back to slideshow navigation
  5. An Egyptian anti-government protester prays next to an army tank in Cairo's Tahrir square on Feb. 5. (Marco Longari / AFP - Getty Images) Back to slideshow navigation
  6. An anti-government protester acting as a lookout sounds the call to prayer for others below, during a tense standoff between the army and anti-government activists in Cairo on Feb. 5. (Ben Curtis / AP) Back to slideshow navigation
  7. An anti-government protester prays as his comrades stand behind barbed wire in front of army tanks in Tahrir Square in Cairo, Feb. 5. (Yannis Behrakis / Reuters) Back to slideshow navigation
  8. Egyptian anti-Mubarak protesters shout slogans during a demonstration in Tahrir Square in Cairo, Egypt, Feb. 5. (Emilio Morenatti / AP) Back to slideshow navigation
  9. An Egyptian protester falls asleep near a baricade at Tahrir Square, in Cairo, Feb. 5. (Felipe Trueba / EPA) Back to slideshow navigation
  10. An anti-government demonstrator looks on with a sign reading "shut up" over his mouth near Tahrir Square in Cairo, Feb. 5. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  11. A limping anti-government protester wearing facepaint in the colors of the Egyptian flag and using a metal rod to support him, center, walks past piles of rocks ready to be thrown if attacked, as another protester, right, prays next to the Egyptian Museum at an entrance to Tahrir Square in Cairo, Feb. 5. (Ben Curtis / AP) Back to slideshow navigation
  12. Opposition supporters protest on the front line near Tahrir Square in Cairo, Feb. 5. (Suhaib Salem / Reuters) Back to slideshow navigation
  13. Egyptian army soldiers arrest a man in Tahrir square in Cairo, Feb. 5. (Amr Nabil / AP) Back to slideshow navigation
  14. Anti-government protesters search a boy selling bread as he enters Tahrir Square on Feb. 5 in Cairo. (Peter Macdiarmid / Getty Images) Back to slideshow navigation
  15. Opposition supporters sleep near Tahrir Square in Cairo, Feb. 5. (Suhaib Salem / Reuters) Back to slideshow navigation
  16. An effigy of Egyptian President Hosni Mubarak hangs at a traffic intersection in Tahrir Square on Feb. 5, in Cairo. (John Moore / Getty Images) Back to slideshow navigation
  17. Opposition supporters rest near graffiti referring to the social networking site "Facebook" in Tahrir Square in Cairo Feb. 5. (Steve Crisp / Reuters) Back to slideshow navigation
  18. Anti-government protesters clean Tahrir Square, in Cairo, Feb. 5. (Ben Curtis / AP) Back to slideshow navigation
  19. A protester looks over a barricade at the Tahrir Square after an overnight rally in Cairo, Feb. 5. (Hannibal Hanschke / EPA) Back to slideshow navigation
  20. Egyptian soldiers remove stones from a truck used by demonstrators as a barricade as rumours spread that the army was abandoning positions at Tahrir Square in Cairo on Feb. 5. (Marco Longari / AFP - Getty Images) Back to slideshow navigation
  21. Anti-government demonstrators watch the gathering in Tahrir Square on Friday, Feb. 4, in Cairo. (Peter Macdiarmid / Getty Images) Back to slideshow navigation
  22. An anti-government protester keeps watch on a rooftop on the edge of Tahrir Square. Clashes between anti- and pro-government factions in Egypt's central square quieted on Friday. (Chris Hondros / Getty Images) Back to slideshow navigation
  23. Egyptian protester shouts anti-Mubarak slogans during a protest in the Mediterranean sea city of Alexandria, Egypt, Feb. 4. (Str / AP) Back to slideshow navigation
  24. Anti-government demonstrators carrying stones charge a group of supporters of Egyptian President Hosni Mubarak. (John Moore / Getty Images) Back to slideshow navigation
  25. Anti-government protesters take part in Friday prayers at Tahrir Square. Tens of thousands of Egyptians prayed in Cairo's square for an immediate end to Mubarak's 30-year rule, hoping a million more would join them in what they called the "Day of Departure". (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  26. Egyptian protesters cry during Friday prayers in Tahrir Square in Cairo. (Ahmed Ali / AP) Back to slideshow navigation
  27. Egyptian protesters shout anti-Mubarak slogans during a protest in Tahrir Square. The Egyptian military guarded thousands of protesters pouring into Cairo's main square on Friday. (Ahmed Ali / AP) Back to slideshow navigation
  28. An opposition supporter walks with her children to Friday prayers in Tahrir Square on Feb. 4. (Goran Tomasevic / Reuters) Back to slideshow navigation
  29. Protesters gather near Tahrir Square on Feb. 4 for a "Day of Departure" rally aimed at ousting President Mubarak. Those fighting to oust Mubarak hoped to rally a million people. (Hannibal Hanschke / EPA) Back to slideshow navigation
  30. An injured anti-government protester hooked up to an IV drip in Tahrir Square on Feb. 4. (Khaled Desouki / AFP - Getty Images) Back to slideshow navigation
  31. A pro-Mubarak supporter apprehended by opposition demonstrators is led away during rioting near Tahrir Square on Feb. 3. (Suhaib Salem / Reuters) Back to slideshow navigation
  32. Egyptian anti government protesters throw stones during clashes in downtown Cairo on Feb. 3. New clashes are heating up again and shots are being fired in the air around Cairo's central Tahrir Square as anti-government protesters push back against regime supporters. (Goran Tomasevic / Reuters) Back to slideshow navigation
  33. An Associated Press photographer, Khalil Hamra, is injured during clashes between anti-government demonstrators and their pro-government supporters in Cairo's Tahrir square. The Committee to Protect Journalists, a New York-based media watchdog, said Thursday that it had recorded 24 detentions of journalists, 21 assaults and five cases in which equipment was detained over a 24-hour period. Foreign photographers reported attacks by supporters of Egyptian President Hosni Mubarak near Tahrir Square in central Cairo, the focal point of increasingly violent mass demonstrations. (Mohammed Abed / AP) Back to slideshow navigation
  34. A member of the press lies on the ground after being attacked by mobs while soldiers surround him in Cairo Feb. 3. The United States and Britain condemned the intimidation of foreign reporters covering protests against President Hosni Mubarak. (Kyodo / Reuters) Back to slideshow navigation
  35. An opposition supporter takes shelter while providing water during rioting with pro-Mubarak demonstrators near Tahrir Square in Cairo on Thursday. (Goran Tomasevic / Reuters) Back to slideshow navigation
  36. An anti-government protestor holds a bloodied Egyptian flag in Tahrir Square on Thursday, Feb. 3 in Cairo. The Army has positioned tanks between protesters who had been battling with supporters of President Hosni Mubarak for the second day in and around Tahrir Square in Cairo. (Peter Macdiarmid / Getty Images) Back to slideshow navigation
  37. A rock flies past an opposition supporter during rioting near Tahrir Square in Cairo on Feb. 3. Anti-government protesters and supporters of Mubarak clashed on Thursday near a central Cairo square in a re-run of the overnight violence that killed several and wounded hundreds more. (Goran Tomasevic / Reuters) Back to slideshow navigation
  38. A soldiers gestures in front of anti-government protestors just outside Cairo's main square on Feb. 3. (Sebastian Scheiner / AP) Back to slideshow navigation
  39. Egyptian soldiers restrain a supporter of President Hosni Mubarak who tried to get to opposition lines near Tahrir Square on Feb. 3. (Goran Tomasevic / Reuters) Back to slideshow navigation
  40. An anti-government demonstrator throws a projectile at pro-regime opponents during clashes in Cairo's central Tahrir square on Feb. 3. (Mohammed Abed / AFP - Getty Images) Back to slideshow navigation
  41. A captured Egyptian man that anti-government protesters allege is a member of the Egyptian government security forces screams as his handcuffed are adjusted in an ad hoc anti-government command center Feb. 3 in Cairo. Anti-government Egyptian leaders questioned the man and several other suspected security officers, who were captured near Tahrir Square, allegedly trying to blend in with anti-government protesters. (Chris Hondros / Getty Images) Back to slideshow navigation
  42. Two foreign photographers take cover as they follow clashes between pro- and anti- government protesters in downtown Cairo on Feb. 3. Several journalist were arrested by the Egyptian Interior Ministry. (Khalil Hamra / AP) Back to slideshow navigation
  43. A medical worker talks on the telephone at an access road to the Tahrir Square in Cairo on Feb. 3. (Hannibal Hanschke / EPA) Back to slideshow navigation
  44. A supporter of Egyptian President Hosni Mubarak is taken to the ground by a soldier as he tries to run towards opposition lines near Tahrir Square in Cairo on Feb. 3. (Suhaib Salem / Reuters) Back to slideshow navigation
  45. A man suspected of being in the government security forces is roughly handled after being captured by anti-government protesters in Tahrir Square on Feb. 3. Anti-government groups have captured dozens of Egyptians they allege are police or intelligence officers trying to blend in with anti-government protesters. (Chris Hondros / Getty Images) Back to slideshow navigation
  46. Opposition supporters throw stones at pro-Mubarak demonstrators in Tahrir Square on Feb. 3. (Goran Tomasevic / Reuters) Back to slideshow navigation
  47. An anti-government protester is carried to an aid station after being hit in the eye with a rock during ongoing skirmishes with supporters of President Hosni Mubarak in Tahrir Square on Feb. 3. (John Moore / Getty Images) Back to slideshow navigation
  48. Anti-government demonstrators bring a man (center with scarf) who they suspect is a Mubarak supporter to the army in Tahrir Square on Feb. 3. (Victoria Hazou / AP) Back to slideshow navigation
  49. An injured pro-Mubarak supporter is detained by anti-government demonstators at an underground metro station on Feb. 3. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  50. Pro-government demonstrators, bottom, watch as cars burn during clashes with anti-government demonstrators, behind barriers at top, in Tahrir Square early on Feb. 3. Hundreds of people were injured in the clashes in which the two sides rained stones, bottles and firebombs on each other as soldiers stood by without intervening. (Lefteris Pitarakis / AP) Back to slideshow navigation
  51. Anti-government demonstrators break up pavement at Tahrir Square to make projectiles against pro-regime forces on Feb. 2. (Mohammed Abed / AFP - Getty Images) Back to slideshow navigation
  52. Anti-government demonstrators gather at Tahrir Square in Cairo on Feb. 2. A mostly peaceful week of protests turned violent later in the day. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  53. Pro-government demonstrators, bottom, clash with anti-government demonstrators, top, opposite the Egyptian Museum in Cairo. (Ben Curtis / AP) Back to slideshow navigation
  54. An injured anti-government protester sits after being treated by medics in Tahrir Square Feb. 2. (Tara Todras-whitehill / AP) Back to slideshow navigation
  55. Pro-Mubarak supporters march toward anti-government supporters in Tahrir Square Feb. 2. (Goran Tomasevic / Reuters) Back to slideshow navigation
  56. Anti-government protesters clash with supporters of Mubarak at Tahrir Square, Feb. 2. (Goran Tomasevic / Reuters) Back to slideshow navigation
  57. Supporters of Mubarak hold his picture while waving the national flag during a demonstration in Cairo's Muhandisin district on Feb. 2. (Patrick Baz / AFP - Getty Images) Back to slideshow navigation
  58. Protesters clash with Mubarak supporters in Tahrir Square on Feb. 2. (Marco Longari / AFP - Getty Images) Back to slideshow navigation
  59. Tourists make their way to a Cairo airport terminal in an attempt to leave Egypt on Feb. 2. (Victoria Hazou / AP) Back to slideshow navigation
  60. Anti-government protesters lead away a Mubarak supporter in Tahrir Square. (Miguel Medina / AFP - Getty Images) Back to slideshow navigation
  61. Injured Egyptian photographer Mohamed Omar (C) of European Pressphoto Agency is held on top of an armored personnel carrier by Egyptian soldiers. Omar was reported to have sustained an injury to his head. (Stringer / EPA) Back to slideshow navigation
  62. A wounded demonstrator is evacuated from Cairo's main square on Feb. 2. (Khalil Hamra / AP) Back to slideshow navigation
  63. Demonstrators take cover as violent clashes break out between pro- and anti-Mubarak groups in Tahrir Square. (Goran Tomasevic / Reuters) Back to slideshow navigation
  64. Supporters of Mubarak (top) and anti-government demonstrators clash in Tahrir Square. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  65. A Mubarak supporter rides a camel through the crowd during a clash between in Tahrir Square on Feb. 2. (Chris Hondros / Getty Images) Back to slideshow navigation
  66. Pro- and anti-Mubarak protesters face off in Tahrir Square, Feb. 2. (Andre Liohn / EPA) Back to slideshow navigation
  67. Pro-Mubarak supporters shout during a rally in Cairo on Feb. 2. (Khalil Hamra / AP) Back to slideshow navigation
  68. Mubarak supporters wave a giant Egyptian flag during a march in Cairo, Feb. 2. Thousands of people marched in support of Mubarak hours after he made a defiant speech promising to serve out the last months of his term and "die on Egyptian soil." (Amr Nabil / AP) Back to slideshow navigation
  69. Anti-government demonstrators read newspapers in front of an armored vehicle in Tahrir Square in Cairo, Feb. 2. (Khalil Hamra / AP) Back to slideshow navigation
  70. Effigies of Egyptian President Hosni Mubarak can be seen hanging from traffic lights, as anti-government protesters gathered in Tahrir Square in Cairo early Feb. 2 to watch President Barack Obama live on a TV broadcast from Washington, speaking about the situation in Egypt. (Lefteris Pitarakis / AP) Back to slideshow navigation
  71. An Egyptian demonstrator sleeps with his two children among other protesters demanding the ouster of Egyptian President Hosmi Mubarak in Cairo's Tahrir Square, Feb. 1. (Patrick Baz / AFP - Getty Images) Back to slideshow navigation
  72. Protesters watch Egyptian President Hosni Mubarek give a speech on a projected television screen in Tahrir Square in Cairo, Feb. 1. In a pre-recorded televised address to the country, President Mubarak announced that he would not run for another term in office, but whether protesting Egyptians would agree with him stay in office until elections later this year is uncertain. (Chris Hondros / Getty Images) Back to slideshow navigation
  73. Protestors demonstrate in Tahrir Square in Cairo, Feb. 1. (Dylan Martinez / Reuters) Back to slideshow navigation
  74. Egyptian protestors pray in Cairo's Tahrir Square, Feb. 1. (Mohammed Abed / AFP - Getty Images) Back to slideshow navigation
  75. Young girls wave Egyptian flags while standing on an armored vehicle outside Tahrir square in Cairo, Feb. 1. (Victoria Hazou / AP) Back to slideshow navigation
  76. A protester with the Egyptian national flag painted on his face attends a demonstration in Tahrir square in Cairo, Feb. 1. (Mohamed Omar / EPA) Back to slideshow navigation
  77. Protesters pray in front of Army tanks during a mass demonstration against the government in Tahrir Square in Cairo, Feb. 1. Hundreds of thousands of Egyptians swamped Cairo on Tuesday in the biggest demonstration so far in an uprising against an increasingly isolated President Hosni Mubarak. (Yannis Behrakis / Reuters) Back to slideshow navigation
  78. Egyptians rally at Tahrir Square in downtown Cairo, Feb. 1. (Amr Abdallah Dalsh / Reuters) Back to slideshow navigation
  79. An Egyptian soldier pats down Egyptian men waiting in line to enter the Tahrir Square in central Cairo to take part in the 'march of a million' rally in Tahrir Square, Feb. 1. (Jim Hollander / EPA) Back to slideshow navigation
  80. People hold up their identity cards as they enter Tahrir Square in Cairo, Feb. 1. (Peter Macdiarmid / Getty Images) Back to slideshow navigation
  81. A tank stands amid crowds as protesters gather on Tahrir Square in Cairo, Feb. 1. (Hannibal Hanschke / EPA) Back to slideshow navigation
  82. Anti-government protesters shout slogans as they march toward Tahrir Square in downtown Cairo, Feb. 1. Egyptian authorities have battled to save President Hosni Mubarak's regime with a series of concessions and promises to protesters, but realities on the streets of Cairo may be outrunning his capacity for change. (Emilio Morenatti / AP) Back to slideshow navigation
  83. An effigy depicting President Hosni Mubarak is seen hanging on a traffic light as anti-government protesters demonstrate in Tahrir Square in downtown Cairo, Feb. 1. (Emilio Morenatti / AP) Back to slideshow navigation
  84. An Egyptian policeman cries as he receives a warm welcome by pro-Mubarak supporters in Cairo on Tueday, Feb. 1, three days after the police disappeared from the streets, following Friday's demonstrations, Egypt's largest anti-Mubarak protest. (Amr Nabil / AP) Back to slideshow navigation
  85. Egyptian police are halted at a checkpoint set up by one of many neighborhood watch groups of men armed with metal bars and sticks on a bridge in Cairo, Jan. 31. (Emilio Morenatti / AP) Back to slideshow navigation
  86. Egyptians buy bread before the start of the evening curfew in Cairo, Jan. 31. Everyday life in Cairo has been turned upside down by the largest anti-government protests in decades. Schools are closed and businesses boarded up; the usual bumper-to-bumper traffic is now little more than a trickle; and the capital's famed nightlife has been snuffed out by a 3 p.m. to 8 a.m. curfew. (Amr Nabil / AP) Back to slideshow navigation
  87. Egytpian demonstrators shout slogans as they stand in Tahrir Square in Cairo, Jan. 31, calling for the removal of Egypt's President Hosni Mubarak. Protesters blame the Mubarak regime for widespread poverty, inflation, official indifference and brutality. (Marco Longari / AFP - Getty Images) Back to slideshow navigation
  88. People gather in Cairo international airport while waiting to check in for their flights, Jan. 31. Thousands of Americans and other foreigners scrambled to flee unrest in Egypt, turning the airport into a scene of confusion. (Miguel Medina / AFP - Getty Images) Back to slideshow navigation
  89. Egyptian soldiers and civilians gather in Tahrir Square in central Cairo, Jan. 31. (Felipe Trueba / EPA) Back to slideshow navigation
  90. Egyptian special forces secure the main floor inside the Egyptian Museum in Cairo on Monday, Jan. 31. People broke into Cairo's famed Egyptian Museum on Saturday, ripping heads off two mummies and damaging artifacts before being caught and detained. (Tara Todras-Whitehill / AP) Back to slideshow navigation
  91. Local men sit next to closed shops in Cairo, Jan. 31. Despite the ongoing protests, police and garbage collectors were appearing on the streets of Cairo and subway stations reopened after soldiers and neighborhood watch groups armed with clubs and machetes kept the peace in many districts overnight. (Peter Macdiarmid / Getty Images) Back to slideshow navigation
  92. Women walk past a damaged shopping center in Cairo, Jan. 31. (Lefteris Pitarakis / AP) Back to slideshow navigation
  93. At first light, people start to arrive in Tahrir Square in Cairo, Jan. 31, to join those who stayed overnight in the center of the capital. (Hannibal Hanschke / EPA) Back to slideshow navigation
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