Russia could be about to invade Ukraine, the US has warned its European allies, as Vladimir Putin builds up his forces on the border while NATO and the EU deal with the migrant crisis between Belarus and Poland.
American intelligence sources have briefed their European counterparts of a possible Kremlin military operation in Ukraine’s east to annex territory similar to the 2014 annexation of the Crimean peninsula.
The fears were sparked by a build-up of tens of thousands of Russian