Updated

Ukraine launched a large overnight drone attack toward Moscow on October 21-22, with Moscow's mayor claiming 630 drones had been heading toward the capital, while footage analyzed by Astra suggested a strike hit the 75th Arsenal military repair plant in Serpukhov, Moscow Oblast. Separately, Ukrainian drones struck Lipetsk, causing explosions and fires at a multi-story building, according to Ukrainian monitoring channels. Russian officials also reported drone attacks and damage across several other regions, while Ukraine's ATESH partisan movement said it was disabling communication lines around a key Moscow data center.