The Ukrainian government said troops repelled an overnight raid on a base at Artemivsk, between Donetsk and Slaviansk, in eastern Ukraine on Thursday.

A soldier was wounded in the attack by about 70 people who Interior Minister Arsen Avakov said on Facebook were led by Russian soldiers. Casualty details for the attackers were not clear, he said.

Avakov also said pro-Russian protesters had left the town hall in Mariupol, an industrial city on the Black Sea coast, and the mayor was back in his office - meeting the agreements made with Russia at a Geneva meeting a week ago.

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