Steven Pifer discusses providing lethal assistance to Ukrainian troops
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Former US ambassador to Ukraine advocates lethal aid

In Ukraine, pro-Russian separatists are looking to boost their ranks by as many as 100,000 troops, as fighting with government forces intensifies.

The latest fighting comes as a debate has been reignited in Washington over whether Ukrainian government troops should be given lethal assistance.

That's one of the arguments made today in a new report. Among its authors is former US Ambassador to Ukraine Steven Pifer. He spoke to the BBC's Katty Kay about the situation.

  • 03 Feb 2015