US and Russia hold “frank” talks over Ukraine tension

Russia's foreign minister and his US counterpart have held what they called "frank" talks to try to reduce the chance of a wider conflict in Ukraine.

Sergei Lavrov repeated denials that a huge Russian force assembled near Ukraine's borders would be used to invade Ukraine.

Antony Blinken said America would respond severely to any invasion.

But just how likely is an invasion? Our correspondents have the latest.