Ukriane's President has invited Biden to Kiev. Says would stabilise the situation.

Ukraine's President Zelensky and US President Biden spoke on the phone over the weekend.

• Talked about security, economy, existing risks, sanctions and Russia

Zelensky:

• “I am convinced that your arrival in Kyiv in the coming days, which are crucial for stabilizing the situation, will be a powerful signal and contribute to de-escalation.”