U.S. intelligence suggests pro - Russian militants shot down Malaysia Airlines Flight 17 . President Obama said Putin has the ` ` most control '' over the situation in eastern Ukraine . Sen. John McCain and Rep. Peter Welch said outright that Putin is ` ` responsible '' ` ` Russia must end this war . Russia must end this war , '' the U.S . ambassador to the U.N. said .
U.S. intelligence suggests pro-Russian separatists shot down Malaysia Airlines Flight 17 . President Obama said Putin has the `` most control '' over the situation in eastern Ukraine . Sen. John McCain and Rep. Peter King said outright that Putin is `` responsible '' `` Russia can end this war . Russia must end this war , '' the U.S . Ambassador to the U.N. said .