The US has claimed Russia is planning to stage a fake Ukrainian attack that it would use to justify an invasion.

Russia denied it was planning to fabricate an attack, and the US did not provide evidence to support the claim.

The build-up of tens of thousands of Russian troops on Ukraine's borders has escalated fears of an invasion.

In The Spotlight, Prime Time's Rachel Kelly spoke with Pushan Dutt, Professor of economics and political sciences at INSEAD about the latest developments in Russia and Ukraine.