Kyiv accused the Kremlin of introducing new “unacceptable demands” to withdraw Ukrainian forces from huge swaths of territory.

But the two sides failed to broker a temporary cease-fire or a meeting between their two leaders, a sign of how far apart they remain on ending the conflict.

Delegations from Russia and Ukraine are set to meet for peace talks in Turkey on Friday. But, Presidents Vladimir Putin and Volodymyr Zelensky, nor US President Donald Trump, will be there following days of confusion.