Russian forces shelled the city of Kostiantynivka in Donetsk Oblast on 21 September, killing one civilian, according to Serhii Horbunov, Head of the Kostiantynivka City Military Administration. He said the victim died in their own home after sustaining fatal injuries during artillery fire.

Kostiantynivka is a frontline city in Donetsk region, around 20 kilometers west of occupied Bakhmut and close to ongoing heavy fighting. It remains under Ukrainian control but is regularly targeted by Russian artillery and airstrikes.

Authorities reported that a second person was wounded when an FPV drone struck a car, damaging the vehicle. Two more residents were injured during shelling and sought medical care at a hospital in the nearby city of Druzhkivka.

Earlier strikes with Smerch multiple launch rocket systems damaged the facades of several apartment buildings, a shop and a shopping center, while an airstrike with a guided FAB-250 bomb hit another residential building. No casualties were reported from those attacks.

Police from the nearby Kramatorsk district are documenting the damage and investigating the shelling as a war crime.