Fans are celebrating World Book Day on Thursday. Here, a man browses through books at the Albertine, a French bookstore and library at the French Embassy in New York. Jewel Samad/AFP/Getty Images hide caption

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Andreas Von Knorre (right), one of two German nationals arrested for vandalism in Singapore, arrives in a police car at the state court on Nov. 22, 2014. Both men were sentenced Thursday to a prison term and caning. Roslan Rahman/AFP/Getty Images hide caption

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Former Secretary of State Hillary Clinton, seen here at a U.N. event last March, has been criticized for using a private email account to conduct official business during her four years in the Obama administration. Andrew Burton/Getty Images hide caption

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The Ferguson, Mo., police department is criticized in a new Justice Department report. The department says there is no evidence to warrant civil rights charges over the death of Michael Brown last August. BILL GREENBLATT/UPI /Landov hide caption

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Spain is exporting record amounts of wine. Earlier this year, Spain's King Felipe VI (center) and Queen Letizia toasted with Freixenet president Josep Lluis Bonet during a visit to the winemaker's headquarters in Sant Sadurni d'Anoia, Spain. Susanna Saez/EPA /LANDOV hide caption

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Misao Okawa, the world's oldest living person, poses for a photo with her son Hiroshi Okawa, 92, (left) and other family members and friends on her 117th birthday celebration at Kurenai Nursing Home in Osaka, Japan. Buddhika Weerasinghe/Getty Images hide caption

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Protesters gather in front of the Los Angeles Police Department Headquarters Tuesday, to express anger over the fatal shooting of an unarmed homeless man Sunday. David McNew/Getty Images hide caption

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In this courtroom sketch, Boston Marathon bombing suspect Dzhokhar Tsarnaev (third from right) is depicted with his lawyers and U.S. District Judge George O'Toole Jr., as O'Toole addresses a pool of potential jurors. The trial begins Wednesday. Michael Dwyer/AP hide caption

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Former CIA Director and retired four-star Gen. David Petraeus speaks at the University of Southern California on March 26, 2013, his first public speech after resigning as CIA director. Kevork Djansezian/Getty Images hide caption

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Iraqi security forces and Shiite fighters fire artillery during clashes with ISIS militants in Salahuddin province. The push to retake Tikrit is being aided by Iran, which is providing rockets and other support to Iraq. THAIER AL-SUDANI/Reuters /Landov hide caption

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People view a memorial to a man killed by police on Skid Row in Los Angeles. The police say two officers who were at the scene were wearing body cameras. LUCY NICHOLSON/Reuters /Landov hide caption

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