Frustration, false hopes and new leads have marked the search for missing Malaysia Airlines Flight 370, now in its fifth week.
A relative, left, of a passenger onboard Malaysia Airlines flight MH370 cries as she talks on her mobile phone at the Beijing Capital International Airport on March 8, 2014. The Malaysia Airlines flight carrying 227 passengers and 12 crew lost contact with air traffic controllers en route from Kuala Lumpur to Beijing. Flight MH 370, operating a Boeing B777-200 aircraft departed Kuala Lumpur at 12.21 a.m. and had been expected to land in the Chinese capital at 6.30 a.m. the same day.
Military personnel work within the cockpit of a helicopter belonging to the Vietnamese airforce during a search and rescue mission off Vietnam's Tho Chu island on March 10. The disappearance of Malaysia Airlines flight MH370, a Boeing 777-200ER jetliner, is an "unprecedented mystery", the country's civil aviation chief said, as a massive air and sea search failed to find any trace of the plane or 239 people on board within its early days.
A member of the Malaysian Navy makes a call as their ship approaches a ship belonging to the Chinese Coast Guard, during an exchange of communication in the South China Sea on March 15 in Kuantan, Malaysia. Malaysian Prime Minister, Najib Razak said that investigators had discovered evidence from satellite and radar systems indicating that the communication systems of the aircraft had been intentionally disabled. The search for the plane in the South China Sea was abandoned with the focus switching to two flight corridors, the first stretching from the border of Kazakhstan and Turkmenistan to northern Thailand and a second stretching from Indonesia to the South Indian Ocean.
A woman pushes her baby cart in front of a message board for passengers aboard the missing jet at Kuala Lumpur International Airport in Sepang, Malaysia, on March 19.
A family member of a missing passenger on Malaysia Airlines flight MH370 from China breaks down as she speaks to the media at Kuala Lumpur International Airport, in Selangor, Malaysia. on March 19.
Malaysia's Prime Minister Najib Razak makes an announcement on the missing Malaysia Airlines MH370 plane during a news conference at Putra World Trade Center in Kuala Lumpur on March 24. Najib told the families of passengers on board the missing airliner that the plane ended its journey in the southern Indian Ocean.
A family member of a passenger on board Malaysia Airlines flight MH370 cries after watching a television broadcast of the news conference, at the Lido hotel in Beijing on March 24.
A girl reads some of the messages of hope and support for the passengers of the missing jet at a mall outside Kuala Lumpur on March 22.
Chinese relatives of passengers on flight MH370 sit on a bus waiting to go to the Malaysian Embassy in protest on March 25 in Beijing, China. Hundreds of protesters, including many relatives, marched on the embassy in Beijing demanding answers from Malaysian authorities about the fate of the flight.
A ground crewman stands in front of a South Korean P3 Orion after it returned from searching for missing Malaysia Airlines Flight MH370 in Perth, Australia, on March 30. Searchers again failed to find jet debris, as relatives of Chinese passengers on the plane protested in Malaysia to demand the government apologize over its handling of the search.
High school students hold candles during a vigil for passengers of the missing jet in Lianyungang, China, on March 25.
Chinese relatives of passengers from the missing jet pray before a meeting at the Metro Park Lido Hotel in Beijing on March 31. The hunt for physical evidence has turned up nothing, despite a massive operation involving seven countries and repeated sightings of suspected debris.
Able Seaman Boatswains Mate Rory Dow keeps lookout for potential pieces of evidence in search for missing Malaysia Airlines Flight MH370, at sea in the southern Indian Ocean on March 31. Photo made available on April 2.