Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a growing list of captured agents, intercepted plots, and cross-border attacks.

EXCLUSIVE: People are exhausted, children wake up screaming, elderly neighbours spend nights in stairwells - and residents of Kyiv go to work, said Inna Sovsun.

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.

Russia pounded Ukraine with hundreds of drones and missiles overnight and Saturday as part of a stepped-up bombing campaign that killed at least six people and wounded dozens, officials said. Two people died and 26 were wounded when Russian forces overnight attacked the Bukovina area in the Chernivtsi region of southwestern Ukraine with four drones and a missile,

Russia launched its largest drone and missile bombardment of Ukraine overnight into Wednesday, according to Ukrainian President Volodymyr Zelenskyy.