Russia said on Monday it had launched mass strikes overnight on the Ukrainian military and associated military targets, using its air force, missile forces, artillery and air defence systems to hit hundreds of targets across its southern neighbour.

The Russian defence ministry said in a statement that air-launched missiles had destroyed 16 Ukrainian military facilities overnight, including five command posts, a fuel depot and three ammunition warehouses, as well as Ukrainian armour and forces.

It said those strikes took place in...