This is reported by CNN with reference to a high-ranking official in Kiev.
According to the interlocutor of the channel, the Ukrainian leader asked Biden for additional financial support and "more advanced military assistance" in the form of modern weapons.
US officials called the US leader's visit to Ukraine unlikely.
Earlier it was reported about the end of the telephone conversation between Biden and Zelensky.
The negotiations lasted almost an hour.
According to the President of Ukraine, state leaders discussed issues related to security, the economy, as well as existing risks, sanctions and "Russian aggression".