Vladimir Putin is demanding that Ukraine give up all of the eastern Donbas region, renounce ambitions to join NATO, remain neutral and keep Western troops out of the country, three sources familiar with top-level Kremlin thinking told Reuters.

Volodymyr Zelenskyy says he believes it would take Russia four years of war to seize the rest of the Donbas, which Vladimir Putin has demanded in exchange for an end to fighting. Follow the latest.

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Ukrainian President Volodymyr Zelenskyy rejects Russian President Vladimir Putin's demands to cede the Donbas region, citing sovereignty concerns and the area's economic and strategic importance.

MOSCOW: Russian President Vladimir Putin is demanding that Ukraine give up all of the eastern Donbas region, renounce ambitions to join NATO, remain neutral and keep Western troops out of the country,