Ukraine has ordered a full military mobilisation in response to Russia's build-up of its forces in Crimea. Prime Minister Arseniy Yatsenyuk said Ukraine was "on the brink of disaster". In Crimea, Ukrainian soldiers faced off with Russian soldiers surrounding their bases while the Russian army is said to be digging trenches on the border with mainland Ukraine. US Secretary of State John Kerry has warned Russia could be ejected from the Group of Eight developed nations. Russian President Vladimir Putin, he said, was "not going to have a Sochi G8, he may not even remain in the G8 if this continues," referring to a ... (full story)