Ukrainian drones attacked an important target in the Kaluga region. Meanwhile, Russian president Vladimir Putin reacted to the US idea of a 30-day truce. Read more about what happened on Thursday, March 13.

Ukrainian long-range drones attacked a UAV production site in the village of Obukhovo, Dzerzhinsk district, Kaluga region, Russia.

The Russians were assembling UAVs in workshops of the Kaluga Aerated Concrete plant, according to the sources. Locals reported powerful explosions and a fire at the factory overnight into March 13. Kaluga social media channels mentioned alleged debris falls and a blaze in “industrial enterprise buildings.