Sri Lanka, Dec. 27 -- Ukrainian President Volodymyr Zelensky has said he will meet his US counterpart Donald Trump in Florida on Sunday, as talks continue on ending Russia's full-scale war.

Zelensky said he expected the meeting to focus on a US-brokered peace plan, and separate proposals for US security guarantees. But a senior Russian official said the plan was "radically different" to the one it was negotiating with the US.

Moscow has spoken of "slow but steady progress" in talks but has not commented on Zelensky's offer to withdraw troops from Ukraine's eastern Donbas region, if Russia pulls back too.

On Saturday night, blasts were heard in Kyiv, in what Ukrainian officials said was a new Russian aerial attack.

Kyiv Major Vitaliy Kli...