Joe Biden has said he believes Russia is on the brink of invading Ukraine, as he joined Nato allies in warning that shelling in the disputed east of the country may be an attempt to set up the pretext for an incursion.
Claims of attacks by Russian-backed separatists at several locations in Ukraine’s Donbas region, including at a kindergarten and a school, were said to bear the hallmarks of an attempt to incite conflict.
