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Obama cautious over Ukraine truce

20 February 2014 Last updated at 07:27 GMT

President Obama has sounded a note of caution about the truce agreed between Ukraine's president Viktor Yanukovych and opposition leaders.

He said that ultimately Ukraine should move toward a unity government and free and fair elections.

A truce was declared after two days of deadly clashes between riot police and anti-government protestors in the capital Kiev.

Tim Allman reports.

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