LONDON, ENGLAND - SEPTEMBER 26: An armed police officer on duty at The Houses of Parliament on September 26, 2014 in London, England. MPs will vote later today on whether the UK should join air strikes against the group calling themselves IS, (Islamic State) or ISIL, in Iraq. The defence secretary warned that the fight against Islamic State could last up to three years. (Photo by Rob Stothard/Getty Images)
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Getty Images News Rob Stothard