The Russians launched several groups of Shahed drones on Kharkiv Oblast on the evening of 4 December.
Source: Ukrainian Air Force on Telegram
Details: At 21:18, the military reported about a group of attack UAVs near the settlement of Chuhuiv in Kharkiv Oblast. Earlier there were also reports about the danger for Shevchenkove and Balakliia districts of Kharkiv Oblast.
Later, Syniehubov reported about strikes in Kharkiv Oblast.
Quote: "The occupiers are launching attacks with Shahed drones. The Izium and Chuhuiv districts are under attack. There have been strikes on civilian infrastructure facilities. Several fires broke out, as of now no people have been injured. Emergency services are working on site."