Pentagon Press Secretary Rear Adm. John Kirby provided the following readout:
"Secretary of Defense Chuck Hagel spoke by phone with Russia's Minister of Defense Sergey Shoygu this morning.
"Secretary Hagel expressed deep concern about Russia's military intervention in Ukraine.
"He reminded Minister Shoygu that these activities ran counter to Russia's international treaty obligations and stated position that it would respect the sovereignty and territorial integrity of Ukraine.
"Secretary Hagel stressed that, without a change on the ground, Russia risks further instability in the region, isolation in the international community and an escalation that would threaten European and international security."