Prime Minister David Cameron Chairs Cobra Meeting After Malaysia Airlines Crash

LONDON, ENGLAND - JULY 18: William Hague, the former Foreign Secretary, arrives in Downing Street for a Cabinet meeting on July 18, 2014 in London, England. Malaysia Airlines Flight MH17, on its way from Amsterdam to Kuala Lumpur and carrying 295 passengers and crew, is believed to have been shot down by a surface-to-air missile, according to U.S. intelligence officials and Ukrainian authorities quoted in published reports. The area is under control of pro-Russian militias. (Photo by Oli Scarff/Getty Images)