Photojournalism of the Week: April 19, 2013

Runners continue to run towards the finish line of the Boston Marathon as an explosion erupts near the finish line of the race. Two simultaneous explosions ripped through the crowd at the finish line of the Boston Marathon on Monday, killing at least two people and injuring dozens on a day when tens of thousands of people pack the streets to watch the world famous race.REUTERS/Dan Lampariello
A still from a nearby security camera released by the FBI Thursday shows brothers Dzhokhar and Tamerlan Tsarnaev, two suspects wanted in connection to the Boston Marathon bombings.FBI Handout
A vehicle is seen near the remains of a fertilizer plant burning after an explosion at the plant in the town of West, Texas. The deadly explosion ripped through the fertilizer plant late on Wednesday, injuring more than 100 people, leveling dozens of homes and damaging other buildings including a school and nursing home.REUTERS/Mike Stone
Military personnel carry the coffin of former British prime minister Margaret Thatcher into St Paul's Cathedral, for her funeral service, in London.REUTERS/Dominic Lipinski
A breeding bull stands under infrared lights, used to relax his muscles, at an artificial insemination centre in the village of Hohenzell, Upper Austria.REUTERS/Leonhard Foeger
Javier Manzano's portrait of rebel snipers guarding their nest during the siege of Aleppo in 2012 was awarded the Pulitzer Prize in Feature Photograhy—the first time in 17 years a freelance photographer has received the award.© Javier Manzano/AFP
A worker puts finishing touches on masks of Pope Francis at a factory assembly line in Sao Goncalo near Rio de Janeiro.REUTERS/Sergio Moraes
Spectators watch an aerial show by the Israeli Air Force as part of celebrations for Israel's Independence Day, marking the 65th anniversary of the creation of the state in Tel Aviv.REUTERS/ Nir Elias
Bolshoi Theatre dancer Pavel Dmitrichenko looks out from a defendant's holding cell during a court hearing in Moscow April 16, 2013. Dmitrichenko is accused of plotting and carrying out an acid attack on the Bolshoi Theatre artistic director Sergei Filin on Jan. 17.REUTERS/Sergei Karpukhin
A South Sudanese model prepares backstage during the Miss World South Sudan contest in Juba, South Sudan, April 13, 2013. The finals of the Miss World contest will take place in September in Indonesia.REUTERS/Andreea Campeanu

Be sure to check out our archive of past Photojournalism of the Week galleries, where you will find more great work.