Ukrainian President Volodymyr Zelenskyy has discussed with US President Joe Biden the strengthening of sanctions against Russia, defence assistance and the anti-war coalition, the UNIAN news agency reported.

"Strengthening sanctions, concrete defense assistance and an anti-war coalition have just been discussed with Biden. Grateful to the US for the strong support to Ukraine,"  Zelenskyy wrote on Twitter.

The White House and Biden himself have not yet informed about the fact and content of the conversation.