Obama asks Putin to help stop Ukraine protests

Last updated at 08:24
Protestors in UkraineGetty Images

American leader Barack Obama has phoned Russian president Vladimir Putin to urge him to help stop protesters in eastern Ukraine.

Pro-Russian groups have taken over more government buildings, despite a warning of military action from Ukraine.

Putin says Russia hasn't been interfering.

Protests by people who want Ukraine to stay as one have also taken place.

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