Russian President Vladimir Putin said that Islamic militants were responsible for the deadly attack at a concert outside of Moscow last week, however, he also hinted that Ukraine may have benefited from it and added that Kyiv may have played a role. In the deadliest attack inside Russia for two decades, four men burst into the Crocus City Hall on Friday night, spraying bullets during a concert by the Soviet-era rock group Picnic. Putin's remarks were delivered as France joined the US in saying intelligence indicated Islamic State was responsible. Alexander Bastrykin, head of Russia's Investigative Committee, told the Kremlin...