U.S. Vice President Joe Biden has expressed “grave concern” over escalation in violence in Kiev and called on Ukrainian President Viktor Yanukovych to pull back security forces and exercise maximum restraint.

The Ukrainian president is blaming opposition leaders for the deadly violence that has erupted in central Kiev. In a statement published online early Wednesday, President Viktor Yanukovych said that he had already made

Anti-government protesters and riot police have clashed in the Ukrainian capital Kiev. The stand-off in the city’s central Independence Square has left at least 21 people, including policemen and protesters, dead in the bloodiest day since Ukraine won its independence more than 22 years ago. Hundreds more have been injured, …