LensThe Week in Pictures: February 15, 201402.15.14LensThe Week in Pictures: February 15, 2014From stormy weather in Britain and the U.S. to a Valentine’s Day in Islamabad, the most compelling images from the past seven days. 02.15.14 10:45 AM ETMohamed Al-Sayaghi/Reuters Sanaa, Yemen February 14, 2014 A policeman looks out from inside of an armored vehicle stationed near the main wall outside the capital's central prison. Eleven people were killed when attackers mounted a bomb, grenade, and gun assault Thursday to try to free inmates, security sources and witnesses said. Explosions and gunfire could be heard several miles away from the prison, which has al Qaeda members among its inmates. The biggest explosion rattled windows in the area. Umit Bektas/Reuters Ankara, Turkey February 13, 2014 Riot police use tear gas and water cannons to disperse protesters as they try to march to the parliament during a protest against Turkey's ruling AK Party (AKP) and Prime Minister Tayyip Erdogan. Goran Tomasevic/Reuters South Sudan February 10, 2014 Jikany Nuer White Army fighters hold their weapons in Upper Nile State. Hosam Katan/Reuters Aleppo, Syria February 14, 2014 A man holds a baby saved from beneath rubble, who survived what activists say was an airstrike by forces loyal to Syrian President Bashar al-Assad in the Masaken Hanano neighborhood. Matt Cardy/Getty Bridgwater, England February 9, 2014 Leader of U.K. Independence Party Nigel Farage wades in water as he visits a flooded property at Burrowbridge on the Somerset Levels. The party leader's visit to flood stricken area came as weather forecasters warned of more wet and windy weather to come. Landov Manchester, England February 12, 2014 The wind in Manchester's city center is amplified by a downdraft from the Beetham Tower and was literally blowing people off their feet. Jason Cohn/Reuters Vandergrift, Pennsylvania February 13, 2014 Emergency personnel examine the wreckage of a train derailment. A 120-car Norfolk Southern Corp. train carrying heavy Canadian crude oil derailed and spilled, adding to a string of recent accidents that have prompted calls for stronger safety standards. There were no reports of injury or fire after 21 tank cars came off the track at a bend by the Kiskiminetas River, according to town and company officials. ï¿½ Carlos Garcia Rawlins / Reuters Caracas, Venezuela February 12, 2014 A demonstrator jumps on shield wall formed by riot police during a protest against Venezuela's President Nicolas Maduro's government. One person was killed during standoffs at the end of an anti-government rally on Wednesday, witnesses said, escalating the worst bout of unrest in Venezuela since protests against Maduro's April 2013 election. Mladen Antonov/AFP/Getty Washington, D.C. February 13, 2014 Young people make snow angel shapes in front of the Lincoln Memorial as a heavy snowstorm hits. The eastern U.S., in the grips of one of the most brutal winters in recent memory, braced for what forecasters warned could be the worst broadside yet—a massive storm with the season's heaviest snowfall. Kevin Lamarque/Reuters Washington, D.C. February 11, 2014 President Barack Obama and first lady Michelle Obama welcome French President Francois Hollande to the White House for a state dinner. Carlo Allegri/Reuters New York February 13, 2014 A model presents a creation of Marc Jacobs during New York Fashion Week. Menahem Kahana/AFP/Getty Tidhar, Israel February 11, 2014 A flock of migrating starlings perform their traditional dance fly before landing to sleep at sunset in the northern Negev Desert. Anthony Harvey/Getty London February 13, 2014 The set for Sunday's British Academy Film Awards is put together at The Royal Opera House. Muhammed Muheisen/AP Islamabad, Pakistan February 13, 2014 A man drives his car after buying red and white heart-shaped balloons from a vendor for Valentine's Day.