Russia claims arms treaty suspension will not increase risk of nuclear war; Biden vows US will defend Nato –as it happened

Vladimir Putin announced on Tuesday that Moscow will suspend New Start treaty; Joe Biden leaves Warsaw after speaking with eastern leaders of Nato. This live blog is now closed

• What we know on day 364 of the invasion

The UN general assembly meets today, two days ahead of the anniversary of Russia's invasion of Ukraine, with Kyiv and its allies hoping to garner broad support for a resolution calling for a just and lasting peace."

The draft resolution, sponsored by 60 countries, is to be voted on after the close of debate - not expected until at least Thursday.