NATO 's secretary general says Russia should de-escalate border buildup . The Associated Press reports that Anders Fogh Rasmussen, the secretary-general of NATO, said in an interview with CNN's Christiane Amanpour on Sunday that he believes Russian President Vladimir Putin is "playing a dangerous game" by building ( CNN ) -- Destroyer USS Donald Cook enters the Black Sea . Russia has no plans to annex southeastern Ukraine , the country 's foreign minister says .
NATO 's secretary general says Russia should de-escalate border buildup . The Associated Press reports that Anders Fogh Rasmussen, the secretary-general of NATO, said in an interview with CNN's Christiane Amanpour on Sunday that he believes Russian President Vladimir Putin is "playing a dangerous game" by building Destroyer USS Donald Cook enters the Black Sea . Russia has no plans to annex southeastern Ukraine , the country 's foreign minister says .