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.

The world leaders spoke on the phone for the sixth time since Trump's return to presidency as the topics of Ukraine and Iran were high up on the agenda