"Emergency service workers arrive on the scene  close to the Houses of Parliament in London, Wednesday, March 22, 2017. The leader of Britain's House of Commons says a man has been shot by police at Parliament. David Liddington also said there were ""reports of further violent incidents in the vicinity."" London's police said officers had been called to a firearms incident on Westminster Bridge, near the parliament. Britain's MI5 says it is too early to say if the incident is terror-related."
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