A large-scale Ukrainian drone attack on Russia triggered an earthquake-sized blast at a major arsenal in the Tver region on Wednesday, forcing the evacuation of a nearby town, war bloggers and some media reported.

A massive drone attack on Russia's Tver region to the northwest of Moscow overnight forced authorities to partially evacuate residents of a town and shut schools and kindergartens in a neighboring municipality.

A “massive” Ukrainian drone attack sparked a giant blast in a Russian town suspected of housing an arsenal for missiles, ammunition and explosive, according to reports. The air strike on Toropets in the western part of Russia ’s Tver region also forced the partial evacuation of residents, regional authorities said on Wednesday.