A top Russian missile scientist has been gunned down in the streets of Moscow in an apparent assassination, with Ukrainian spies claiming responsibility for the hit.

The missile was intercepted by Volodymyr Pshenychnyak, a machine gun team commander in the brigade's security platoon. Read also: Russia unleashes 93 missiles and 200 drones in massive attack on Ukraine's energy sector - President Zelenskyy "The downed missile did not cause damage to critical infrastructure.

Russian forces launched a powerful aerial strike on Ukraine's energy infrastructure, in what Zelensky described as one of the heaviest strikes to date.