The barrage included 407 drones and 44 ballistic and cruise missiles, Ukrainian air force spokesperson Yurii Ihnat said.

Russia bombarded six regions of Ukraine on Friday in one of its largest aerial attacks of the three-year war, Ukrainian officials have said. The night-time assault lasted for hours and killed three emergency responders in the capital Kyiv as well as another person in a north-western city,

North Korean leader Kim Jong Un said he would "unconditionally support" Russia's war against Ukraine, state-run media reported Thursday, in the latest sign of growing military ties between the two countries.