U.S. warns Americans in Russia about possible `` violence or anti-U.S. actions '' U.S. , Russian talks go nowhere : `` We do n't have a common vision , '' Lavrov says . John Kerry : Russia has a choice , will pay price if it annexes Crimea . The White House said on Friday that President Barack Obama had spoken with his Russian counterpart, Vladimir Putin, by telephone and urged him to pull back from the Crimean Peninsula. `
U.S. warns Americans in Russia about possible `` violence or anti-U.S. actions '' U.S. , Russian talks go nowhere : `` We do n't have a common vision , '' Lavrov says . John Kerry : Russia has a choice , will pay price if it annexes Crimea . Armored trucks rumble through northern Crimea ; Russia stages military drill near Ukraine border .