Russia pummelled Kyiv with the largest drone attack of the war, injuring at least 23 people and damaging buildings across the capital only hours after U.S. President Donald Trump spoke with Russia's Vladimir Putin,

A pall of acrid smoke hung over Kyiv on Friday morning following a night of intensive Russian strikes - the hours of darkness once again punctuated by the staccato of air defence guns, buzz of drones and large explosions.

Russia launched 550 drones and missiles across Ukraine overnight in the largest aerial assaults since the war began. The capital Kyiv was the primary target.