Ukraine: Russia 'must stop blackmail'

Ukraine's acting President Oleksandr Turchynov has demanded that Russia pull back troops from the border with Ukraine, stop interfering with the country's internal affairs and end its "black mail.'

Mr Turchinov broadcast a brief address to the nation after Russia said it had begun military exercises near the border in response to escalation by Ukraine.

Video: Ukrainian troops clear road blocks in Sloviansk

Advertisement

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.