Kharkiv's mayor says at least three people have been killed and another 17 injured in Russian strikes overnight.

Ukraine’s shock drone strike on Russia’s strategic bomber fleet this week has generals and analysts taking a new look at threats to high-value United States aircraft at bases in the homeland and abroad – and the situation is worrisome.

Russia attacked the eastern Ukrainian city of Kharkiv at night with drones, missiles and guided bombs, killing at least three people and injuring 22, including a one-and-a-half-month-old baby, the city mayor,