Cameron offers more Typhoons for Nato air mission

Britain will offer another two Typhoon warplanes to patrol the skies of eastern Europe amid continuing tensions with Russia over the Ukraine cris, David Cameron has said.

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Ukraine launches 'large operation' to retake Slaviansk

Ukraine's government launched a "large-scale operation" to retake the town of Slaviansk, the Interior Ministry said, after reports emerged that a helicopter pilot was killed in the eastern city.

Barricades built in Slaviansk as a helicopter is reportedly shot down. Credit: RTV

Interior minister Arsen Avakov wrote on his Facebook page: "At 4.30am [the government] began the active phase of the anti-terrorist operation in Slaviansk-Kramatorsk [...] We have asked Kramatorsk residents not to take to the streets and to be careful near windows".

The clashes around Slaviansk came only hours after a May Day parade was staged in Donetsk, which ended with pro-Russian demonstrators capturing and beating riot police guarding a regional prosecutor's building.

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