Six Russian landing ships sail past Britain sparking speculation they are bound for impending 'full-scale invasion' of Ukraine as Kiev warns Putin has 'nearly completed' troop build-up

Russian forces could expand the fighting in Donbass to draw Ukraine into a conventional conflict, said Neil Melvin, director of International Security Studies at the RUSI think-tank in London. He said Moscow could try to seize Ukrainian coastal areas on the Sea of Azov, creating a land bridge from the Russian city of Rostov through Donbass to Crimea, adding: 'That would put the Ukrainian government under a lot of pressure.'