Ukraine's air force said on Friday Russia attacked it with 72 drones overnight though it downed 33 of them while 34 others disappeared from radar without reaching their targets.

Russia's transition to drones directed by fiber-optic cables, which makes jamming ineffective, is giving them an advantage on the battlefield as Kyiv and Moscow gear up for a pivotal stretch of fighting ahead of U.

A huge fire exploded at the ‘Kristal’ oil complex in the city of Engels after long-range strikes, said Ukraine’s military