Ukrainian drones struck the city of Kstovo in Russia's Nizhny Novgorod region overnight on May 20, with video footage showing the unmanned aircraft operating near residential buildings.

In Nizhny Novgorod, the building of the regional court was damaged following a drone attack. This was reported by Governor of Nizhny Novgorod Region Gleb Nikitin. According to him, the region was subjected to a drone raid in the morning, with several aircraft shot down by air defense forces.