ABC News photo editors chose the best news pictures of the week. <br></br>A man carries the body of a dead child after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria, April 4, 2017.
A day after a deadly blast in the St. Petersburg metro, a man reacts next to a memorial site for the victims at Tekhnologicheskiy institut metro station, Apr. 4, 2017, in St. Petersburg, Russia.
People protect themselves during clashes between opposition activists and riot police agents during a demonstration against Nicolas Maduro's government in Caracas, Venezuela, April 4, 2017.
Juan Barreto/AFP/Getty Images
Ultra-Orthodox Jewish men collect water from a spring to make matzah, a traditional handmade Passover unleavened bread, near Jerusalem, April 4, 2017. Jews are forbidden to eat leavened foodstuffs during the Passover holiday. Passover celebrates the biblical story of the Israelites' escape from slavery and exodus from Egypt.
Sebastian Scheiner/AP Photo
A dog remains below hanging dolls on sale outside a shop during the festivities of San Lazaro (Saint Lazarus), at Monimbo in Masaya, south of Managua, Nicaragua, April 2, 2017. According to tradition in Nicaragua, the faithful pray to San Lazaro for the health of their dogs and pay these favors back by bringing their pets dressed in costumes to attend mass in honor of the saint.
A commuter ferry crosses the Hudson River to New York, April 5, 2017, from Hoboken, N.J. Many commuters are shifting to the ferry service following Monday's derailment of an NJ Transit train, which has led to reduced train service into New York City.
Mark Lennihan/AP Photo
A man wears the traditional "Tora" outfit used during the carnival while posing for a picture during a gathering of different villages' carnival masks and characters in the small village of Casavieja, Spain, April 3, 2017. These festivals, held across central and northwestern Spain, most often coincide with festivities celebrating the advent of spring, mixing Carnival and bizarre pagan-like rituals with mock battles between good and evil.
Daniel Ochoa de Olza/AP Photo
An aerial view shows the devastation in Mocoa, Colombia, April 4, 2017. Heavy rains caused a mudslide on April 1 that devastated Mocoa, leaving more than 270 dead and hundreds more homeless.
A nun and a relative of one of the victims looks over the scene where three children were killed in Rio de Janeiro, Brazil, March 31, 2017. Three children, aged between 12 and 14 years, were shot dead in the street in a neighborhood in the north of Rio de Janeiro in circumstances that are not known but may be related to the drug trade.
A man carries his wife on a flooded street after heavy rainfall in Milagro, Ecuador, April 1, 2017.
The father of 13-year-old Maria Eduarda Alves da Conceicao was killed by stray bullets while in a gym class at her public school on March 30, 2017. Antonio Alfredo da Conceicao and family members react during her funeral in Mesquita, north of Rio de Janeiro, Brazil, on April 1, 2017.
South Korean Marines participate in a landing operation in a joint military exercise with U.S. troops, on April 2, 2017, in Pohang, South Korea. South Korea military troops held joint annual military exercises with the U.S., drawing criticism from North Korea.
Chung Sung-Jun/Getty Images
Chinese students and their parents take part in a chess contest at a primary school in Shenyang in northeast China's Liaoning province on April 6, 2017.
Evora University's students perform after Chilean President Michelle Bachelet received her Honoris Causa degree in Evora on March 30, 2017.
The remains of an exhumed corpse leans against its grave before being taken away to a mass grave in the national cemetery in Port-au-Prince, Haiti, March 29, 2017. Many bereaved Haitians go into a lifetime of debt to send off deceased relatives. Burial costs average $5,000 per household, well over than what most Haitians earn in a year.
Dieu Nalio Chery/AP Photo