Russia has launched its biggest overnight aerial attack on Ukraine hours after negotiators from Kyiv, Moscow, and Washington met for their first trilateral meeting since the war began and agreed to continue talks over the weekend.

The attack knocked out heating to more than 5,600 apartment buildings in the capital, Kyiv Mayor Vitali Klitschko said.

At least four people were killed and 19 others injured in Kiev after Russia pummelled Ukraine with missiles and drones overnight, using its nuclear-capable Oreshnik missile to target western Ukraine.

Russia says its air defenses intercepted 75 Ukrainian drones across multiple regions, including the Black and Azov Seas, in one of the widest overnight engagements in months. One drone struck a high-rise apartment building in the Republic of Adygea,