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Ukraine crisis: Western powers to take action

21 February 2014 Last updated at 07:23 GMT

US Vice President Joe Biden has warned President Yanukovych that Washington is ready to impose sanctions against Ukrainian officials who ordered troops to fire on protesters.

The European Union has already agreed sanctions and travel restrictions on officials held responsible for the violence.

At least 75 people have been killed since Tuesday.

Alpa Patel reports.