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.

NASA satellites picked up intense heat sources emanating from an area of about 14 square kilometres (5 square miles) at the site in the early hours and earthquake monitoring stations picked up what sensors thought was a small earthquake,

A Ukrainian drone attack caused a massive explosion at a major arsenal in Russia's Tver region, leading to the evacuation of a nearby town. NASA satellites detected intense heat, and earthquake sensors recorded the blast.

Ukraine has repeatedly targeted border regions such as Bryansk, Kursk and Belgorod. The attack on Tver, about 500 kilometers from the border, is not as common, but is an example of what Ukrainian officials have repeatedly said they want to do in order to hit Russian military infrastructure that could be used to attack Ukraine.

A substantial Ukrainian drone attack in Russia's Tver region ignited a massive explosion and led to partial evacuations. Unverified reports and media reveal a huge fireball in the night sky and minor earthquake detections.

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

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.

A large-scale Ukrainian drone attack caused a massive explosion at a major Russian ammunition depot in the Tver region, about 380 kilometres (240 miles) west of Moscow, on Wednesday. The blast forced the evacuation of nearby residents,