The State Border Guard Service of Ukraine released a recording showing successful attacks on Russian equipment advancing on the front lines. In coordination with units of the Armed Forces of Ukraine,

Ukraine's military said the attack hit a Russian oil refinery and a microchip factory in the Bryansk region with video posted online showing a giant plume of smoke and flames engulfing an oil refinery in Russia's Ryazan region.

The reported strike comes two nights after Ukrainian forces launched a joint attack against the refinery that allegedly damaged multiple on-site facilities.

Ukraine has hit one of Russia’s biggest oil refineries in a drone strike overnight, Russian media reports have said. Large flames and plumes of smoke rose from the Ryazan Oil Refinery after locals reported explosions shortly before 1am on Sunday,

The Ryazan Oil Refinery in Russia has suspended operations due to damage from Ukrainian drone attacks, Reuters reported on Jan. 27, citing two industry sources. Ukraine confirmed hitting the plant in an overnight drone strike on Jan.

Reuters reports that Russia's Ryazan oil refinery has suspended operations after a Ukrainian drone attack late last week. Source: Reuters, citing sources Details: The sources said an oil storage facility at the refinery caught fire.

The Ryazan oil refinery, one of Russia's largest refineries, has temporarily halted operations following strikes by Ukrainian forces, Reuters reports. Unnamed industry sources told Reuters that an oil storage facility at the plant was set on fire.