UN security council meets to discuss Ukraine crisis

Washington vows to hold Moscow to account as it works with allies to beef up sanctions should Russia invade

The UN security council is meeting on Monday to discuss the Ukraine crisis, with Washington vowing to hold Moscow to account as it works with Nato allies to beef up sanctions should Russia invade its neighbour.

Fears of an imminent incursion have grown in recent days, despite denials from Moscow and pleas from Ukraine's president to avoid stirring panic" over the massive Russian military build-up on the border.