UK PM seeks answers on London attack

British Prime Minister David Cameron during a press conference at Elysee Palace on May 22, 2013 in Paris, France. The Prime Minister condemned the killing of a man in Woolwich, south London, earlier today, in what police are treating as an act of terrorism. (Photo by Antoine Antoniol/Getty Images)

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    UK PM seeks answers on London attack

British Prime Minister David Cameron chairs an emergency committee meeting on the suspected terror investigation.