Transcript for Accusations Fly Between Russia, US in Ukraine Crisis
later. And we move to Ukraine. Tensions rising, as Russian troops step up on the border. And accusations fly between the U.S. And Russia. Martha Raddatz tracking all of the latest. Good morning, Martha. Reporter: Good morning, George. Harsh word and provocative actions this morning, with Russian poised to ramp up military exercises. The Russians have tens of thousands of troops on Ukraine's border. And the U.S. Is about to begin military exercises with about 600 troops on the other side of Ukraine, in Portland, in the baltic region. This, as Russia's foreign minister is accusing the west of provoking the clashes inside Ukraine. Sergey lavrov saying pro-russian militants will not lay down arms until the Ukrainian governments lays down their arms. And the president trying to have an even tone. But also pretty blunt. Reporter: By secretary Kerry, saying Russia has done nothing to live up to the agreement to calm things down. The president saiding Vladimir Putin, is not a stupid man. And knows the sanctions are hurting. But there was no definitive announcement about what may happen next. This is a standoff, George. A dangerous one. We'll have more on the crisis, Sunday on "This week." Also, jay Johnson and Elizabeth Warren.
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