"Overnight, six drones were shot down by air defense forces in the southwestern part of the Kaluga Region, while trying to fly over the region. There are no casualties or damage," the governor wrote on Telegram.
Shapsha added that response services were operating at the site.
UPDATE: Later the same day, a Russian air defense system detected and intercepted another drone in the south-west of the Kaluga Region. The incident did not result in any damage.