"We've seen reports of President (Vladimir) Putin's orders for some Russian troops who were deployed for exercises on the Ukrainian border to return to their permanent bases.
"We have been clear about our call for the Russian military to de-escalate the tension there, so such a withdrawal would be welcome," White House Press Secretary Jay Carney told reporters at his daily news conference.
"At this point we see no indication of any movement, which has been the case, as you note, several times before," Carney said in response to a question.