The administration believes pro-Russian separatists in Ukraine are responsible for the tragedy. Obama called on them Monday to allow investigators and others access to the crash site to recover the bodies of those killed.
Obama also put pressure on Russian President Vladimir Putin and the Russian Federation to stop their support of the separatist movement. A little more than month after levying new economic sanctions agains the Russian government, Obama threatened yet another round of sanctions if they do not take action to encourage cooperation with the investigation.
Watch the President's full statement above.