Ukraine war: Biden says nuclear risk highest since 1962 Cuban Missile Crisis

US President Joe Biden has said the risk of a nuclear "Armageddon" is at its highest level since the 1962 Cuban Missile Crisis.

Mr Biden said Russia's President Vladimir Putin was "not joking" when he spoke of using tactical nuclear weapons after suffering setbacks in Ukraine.

The US was trying to discern Mr Putin's way out of the war, Mr Biden added.

The US and the EU have previously said Putin's nuclear sabre-rattling should be taken seriously.

However, the US National Security Advisor Jake Sullivan last week said that despite Moscow's nuclear hints, the US had seen no signs that Russia was imminently preparing to use a nuclear weapon. read more