Summary
Vladimir Putin says he is moving Russia’s nuclear deterrent to “special alert”
He says it’s a response to Nato “aggression”
The announcement does not mean Russia intends to use the weapons
The US has condemned the move as “unacceptable”
Ukrainian troops are in control of Kharkiv, governor says, after Russian attack
Ukraine claims 4,300 Russians have died in the whole invasion – this has not been verified
The EU is to send weapons to Ukraine and has banned all Russian…