Overnight Ukrainian drone strikes targeted major energy and petrochemical facilities in central Russia’s Samara region and the republic of Tatarstan, monitoring groups reported Friday.

The strike targeted the VNIIR-Progress plant in Cheboksary, a key supplier of Kometa antennas used to shield Russian drones from Ukrainian electronic warfare systems.

Ukraine launched a sweeping wave of overnight air attacks targeting infrastructure, industrial facilities and other sites across several Russian regions and annexed Crimea,…