Ukrainian drones attacked Moscow for the second consecutive night as the Russian capital prepares to host a major annual military parade expected to be attended by world leaders including China’s Xi Jinping.

Ukraine said it hit a drone command unit in the Kursk region, amid reports of fresh attempts to cross into Russia. Sunday's attack on the unit was located near the Russian village of Tyotkino, according to the Ukrainian general staff.

Russian air defence units destroyed a swarm of Ukrainian drones targeting Moscow for the second night in a row, prompting the closure of the capital's airports, Russian officials said early on Tuesday.