Kiev intensified its strikes on border regions ahead of the 72-hour ceasefire, a high-ranking Russian official has said Six Russian civilians were killed and 23 others wounded in Ukrainian attacks during the 72-hour Victory Day ceasefire, top Russian diplomat Rodion Miroshnik has said. Russian President Vladimir Putin declared a unilateral truce from May 7-8 to May 10-11 to mark the 80th anniversary of Soviet victory over Nazi Germany and to encourage unconditional peace talks with Kiev.