On the 13th local time, the Ukrainian Presidential Palace released a message that Ukrainian President Volodymyr Zelensky invited Biden to visit Kiev in the next few days during a phone call with U.S. President Biden on the same day, saying that "this will be crucial to stabilizing the situation. This will be a strong signal to help de-escalate the situation."

  Zelensky said that the Ukrainian side understands all the current risks and is prepared for any developments.

He also stressed that any escalation of the situation in Ukraine should be stopped, noting that the Ukrainian capital Kiev and other cities will be guaranteed security.

He also stressed that Ukraine supports a peaceful resolution of the conflict.

(Headquarters reporter Wang Jinyan)