At least seven people have been killed in Russia after what officials called the "largest-scale" attack launched by Ukraine this year, BBC reported. 

Some 822 drones were used - 600 aiming for Moscow, according to its regional governor who said the Russian capital had suffered "one of the most massive drone attacks in recent memory". A warehouse belonging to Russian online retailer Wildberries was hit.

Russian attacks on Ukraine also killed at least seven people and injured more than 39, according to BBC.