Two people were killed in a drone strike in the Mykolaiv region, while six others including two children were injured. A further two were killed in Odesa in an attack which also injured a 17-year-old boy, and a woman was killed in her car in Lviv region, the governor said.The last comparable attack happened on August 28, when Russia launched 127 missiles and 109 attack drones at Ukraine, the Ukrainian Air Force said.The overnight strikes triggered blackouts in several regions, including Odesa where heating, water and electricity supplies have been cut and hospitals are running on power from generators.