The Ministry of Emergency Situations of Russia has issued instructions according to which civilians "in no case should", in particular, "shoot down drones with improvised objects and other means," as well as use "radio equipment and mobile phones and GPS devices near the drone.

At least one person is killed in the overnight attack Russian officials say - coming hours ahead of key talks between the US and Ukraine in Riyadh.

Ukraine on Tuesday launched its biggest ever drone attack on Moscow and the surrounding region, killing at least three employees of a meat warehouse, injuring 17 others and causing a short shutdown at the Russian capital's four airports,