Ukraine's President says he is willing to adopt a neutral status.
Another round of peace talks are due to get underway between Ukraine and Russia later.
Teams are meeting in Turkey, where President Erdogan has urged Vladimir Putin to agree to a ceasefire.
It comes as Ukraine's President says he's willing to discuss adopting a neutral status.
However, Volodymyr Zelensky says any deal would have to go to a referendum and be guaranteed by third parties.
Bel Trew, International correspondent for The Independent, says the chances of a ceasefire are slim:
Olga Tokariuk is a journalist in Ukraine - and says there isn't much support for a neutral status:
Meanwhile, President Biden's denied calling for a regime change in Russia following an address in Warsaw about the invasion of Ukraine.
After leaving a church service in Washington, the US leader couldn't avoid a question about his remarks that Vladimir Putin "cannot remain in power".
