Overnight on 26 November, Ukrainian forces also conducted artillery and HIMARS strikes on power distribution substations, causing electricity outages.
From: Euromaiden Press BY MARIA TRIL
Overnight on 25-26 November large-scale drone attack on targets in Russia was a Ukrainian military intelligence (GUR) special operation, ISW reported, citing the Ukrainian outlet Suspilne.
Earlier, the Russian Ministry of Defense said that Russian air defences shot down 24 Ukrainian drones over several Russian regions, including Moscow, Tula, Kaluga, Bryansk and Smolensk overnight on 25-26 November.
Tula Oblast Governor Alexei Dyumin stated that one drone crashed into an apartment building in Tula City after Russian air defenses shot it down.
Voice of Ukraine 