Ukraine President Yanukovych sacks army chief amid crisis

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Ukrainian President Viktor Yanukovych has sacked the head of the armed forces, Col Gen Volodymyr Zamana, according to the president's website.

The move comes after the most intense violence in the country's three-month crisis, turning Kiev into a battle zone.

Earlier the state security service announced it was launching a nationwide "anti-terrorist" campaign, to deal with a growing "extremist threat".

There was a suggestion the armed forces could be deployed for the first time.