
The phone call followed the biggest Russian drone and missile attack of the war. Ukraine says Moscow fired 550 drones and 11 missiles last night - rescue workers say one person died and 26 were injured.
In north eastern Ukraine, near Sumy and the Russian border - Ukrainian troops are in action against Russian drone attacks.
Jane Hill presents a BBC News at Ten frontline report from Orla Guerin and the latest on diplomacy with Paul Adams in Kyiv.
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