The Week in Pictures: February 11 - 18

A voter stretches her arms as she and other Ugandans continue to queue to cast their votes at sunset in the capital Kampala, Uganda on Feb. 18, 2016. Amid tardy delivery of voting materials, Ugandans tried to cast ballots Thursday in presidential and parliamentary elections, while a top international election observer called the delays "worrying" and the main opposition party said they were deliberate.

Emergency workers help an injured person on the ground near the site of an explosion after an attack targeted a convoy of military service vehicles in Ankara on Feb. 17, 2016. At least 18 people were killed and 45 wounded by a car bomb targeting the military in the heart of the Turkish capital Ankara on Wednesday, the city's governor said. The bloodshed came on the heels of a string of attacks in Turkey, blamed on jihadists but also on Kurdish rebels.

Gallery: Ankara Car-Bombing Targets Turkish Military

Pope Francis stops at the Mexico-U.S. border in Ciudad Juarez, Mexico on Feb. 17, 2016. Pope Francis visited the border city of Juarez to talk to prisoners and celebrate a Mass with migrants on the last day of his visit to Mexico.

Gallery: Pope Francis Visits Juarez, Stopping at Prison and U.S. Border

A woman wearing leggings with the colors of the American flag walks along a street of Havana, Cuba on Feb. 18, 2015. President Barack Obama announced Thursday he will make a landmark visit to Cuba on March 21-22, pledging to address human rights as America pursues a historic thaw with its former Cold War foe.

Ethnic Miao men wearing traditional masks smear dust on a woman's face to wish her good luck during a local celebration for Lunar New Year in Liuzhou, Guangxi Zhuang Autonomous Region, China, on Feb. 16, 2016.

Palestinians play in the ruins of a building that was destroyed in the 2014 war between Israel and Hamas militants, in Gaza City, on Feb. 16, 2016.

Australian dog trainer and former surfing champion Chris de Aboitiz rides a wave with his dogs Rama, front, and Millie off Sydney's Palm Beach on Feb. 18, 2016. An Australian dog trainer and former surfing champion is using the discipline of surfing as a way of teaching owners to build healthy relationships with man's best friend.

Gallery: Big-Wave Surfers Compete at Mavericks After Two-Year Hiatus

Emergency personnel work at the scene of a fatal crash near Fredericksburg, Pa., on Feb. 13, 2016. The pileup left tractor-trailers, box trucks and cars tangled together across several lanes of traffic and into the snow-covered median.

Republican presidential candidate, former Florida Gov. Jeb Bush, top right, leans his head against a member of the audience as he sits in the audience before being introduced to speak at a rally at Summerville Country Club in Summerville, S.C., on Feb. 17, 2016.

Refugees and migrants massed onto an inflatable boat reach Mytilene, northern island of Lesbos, after crossing the Aegean sea from Turkey on Feb. 17, 2016.

Gallery: Migrants Find Hope in Darkness of Remote Norway Camp

A child peeks through a classroom in a school set in the Mpoko refugee camp near the airport in Bangui, Central African Republic, on Feb. 15, 2016. Over 6000 children attend the school ran by a local NGO and funded by the UN. Two former prime ministers, Faustin Archange Touadera and Anicet Georges Dologuele, ran in the second round of presidential elections Sunday to end years of violence pitting Muslims against Christians in the Central African Republic. Central Africans will also vote in Legislative elections.

Prisoners try some acrobatic figures during a workshop with the Sarakasi circus performers at Kamiti prison in Nairobi, Kenya on Feb. 11, 2016. Sarakasi Circus performes dance, acrobatics and workshops for the inmates at Kamiti maximum security prison in order provide another form of engagement during their incarceration.

Supreme Court Justice Antonin Scalia’s courtroom chair is draped in black to mark his death as part of a tradition that dates to the 19th century, on Feb. 16, 2016, at the Supreme Court in Washington. Scalia died Saturday at age 79. He joined the court in 1986 and was its longest-serving justice.

Gallery - Antonin Scalia: The Supreme Court Justice’s Life in Pictures

A Ugandan policeman struggles to keep hold of a box containing voting material, as excited voters surround him after waiting over 7 hours without being able to vote, at a polling station in Ggaba, on the outskirts of Kampala, in Uganda on Feb. 18, 2016. Ugandans went to the polls Thursday but in Ggaba hundreds of people waited for seven hours for voting papers to arrive and when they discovered there were only ballots for choosing MPs, with no ballots to vote for president, they overpowered the police, destroyed the ballots for MPs, and the polling station had to be abandoned.

Students of St. Scholastica's College raise their hands in the "number one" sign as they dance to take part in the "One Billion Rising" campaign in Manila on Feb. 15, 2016. The campaign, the fifth to be held since 2012, calls for the end of all forms of discrimination and violence against women and girls. The movement refers to UN statistics that one in 3 women, about one billion globally, will be raped or beaten in their lifetime.

An English Setter gets its fur blown with a hair dryer in the grooming area on the second day of the 140th annual Westminster Kennel Club dog show on Feb. 16, 2016 in New York City. The dog competition culminates in the naming of the dog that is "Best in Show."

Gallery: Thousands of Dogs Compete for 140th Westminster Title