April 13, 2014 4:27 PM EDT

U.S. Ambassador to the United Nations Samantha Power said Sunday Russia’s actions suggest it’s interested in a land grab in eastern Ukraine.

“In the conversations we have, they keep insisting ‘no that’s not what we want,’ but everything they’re doing suggests the opposite,” Powers said in an interview on ABC’s This Week With George Stephanopoulos.

Russian President Vladimir Putin, meanwhile, maintains the Russian troops amassing along the Ukrainian border are strictly there for security reasons.

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