Pro-Russian activists who seized the main administration building in the eastern Ukrainian city of Donetsk hold Russian flag and flag of so-called "Donetsk Republic"
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Ukraine crisis: Protests as tensions escalate

8 April 2014 Last updated at 01:39 BST

Ukraine is sending security officials to the eastern cities of Donetsk, Luhansk and Kharkiv, after pro-Russian demonstrators stormed government buildings.

On Monday, rebels occupying Donetsk's regional government building declared a "people's republic" and called for a referendum on secession from Ukraine to be held by 11 May.

The country's interim Prime Minister Arseniy Yatsenyuk has blamed Russia for the seizures, accusing it of trying to "destabilise" Ukraine.

Mariko Oi reports.

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