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)
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

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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.

UK PM seeks answers on London attack

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