A Ukrainian drone attack launched overnight succeeded in destroying an ammunition depot in the western Russian region of Tver, a source from Ukraine’s Security Service (SBU) told CNN on Wednesday.

A major Ukrainian drone attack on Russia triggered a giant blast and forced the partial evacuation of residents near the site of a large Russian arsenal in the Tver region on Wednesday, war bloggers and some media reported.

Local authorities have partially evacuated residents of Toropets in Russia’s Tver Oblast after a mass drone attack overnight caused a large fire, Tver Oblast Governor Igor Rudenya claimed on Sept. 18.

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.

Ukrainian drone attack on Russian arsenal triggers explosions, fire, and evacuation. US defense stocks react to reports.

Russia said it was working to repel a Ukrainian drone attack on Toropets, where there's a major military depot, as explosions lit up the night.

A significant drone strike by Ukraine on a Russian arsenal in the Tver region resulted in a massive explosion, leading to the evacuation of nearby residents. Unverified videos showed a huge fireball and subsequent detonations.

STORY: A Ukrainian drone strike destroyed a Russian weapons warehouse in the Tver region, a source in Ukraine's SBU state security service told Reuters on Wednesday.This unverified footage shows a huge ball of flames blasting into the sky and multiple detonations.

The Ukrainian armed forces have deployed a new kind of drone to defend their country, one filled with a pyrotechnic thermite mixture that rains fire down on enemy positions. Its use is highly controversial.

In a shocking escalation, Russian forces launched a devastating missile attack targeting Ukraine’s secret intelligence communications centre. Massive explosions rocked Kyiv and surrounding regions, including Kharkiv and Sumy,