Russia's Ryazan oil refinery has suspended operations after an attack by Ukrainian drones late last week, two industry sources told Reuters on Monday.

During the night from Saturday to Sunday, foreign drones—most likely Ukrainian—appeared over the refinery in the city of Ryazan, located about 125 miles southeast of Moscow. A series of explosions occurred.

Ukrainian drones hit a Russian oil refinery in the city of Ryazan overnight, causing a fire and damaging equipment at one of Russia's biggest refineries, four industry sources told Reuters on Friday.

Kyiv on Sunday claimed responsibility for an overnight drone attack on a Russian oil refinery, making it the second attack on the same site in less than two weeks. Ukraine's military said that "the Defense Intelligence of Ukraine hit the facilities of the Ryazan Oil Refining Company again.

On Friday night, January 24, moscow Mayor Sergey Sobyanin reported a drone attack on the russian capital. As a result, three moscow airports — Domodedovo,

Ukraine on Sunday claimed a night-time drone attack on a Russian oil refinery south of Moscow, in the second attack on the same site in less that

Emergency crews in Russia’s Ryazan region are responding to an early morning drone attack. Governor Pavel Malkov reported that air defense units intercepted drones targeting the main town. Unverified videos on Telegram suggest major fires,

Ukraine drones hit an oil refinery east of Moscow in a mass attack on Russia, according to military sources. The oil plant in Ryazan, 120 miles south east of the capital, was targeted, as was a microelectronics production plant in Bryansk, western Russia, according to Ukraine’s military.

Video footage taken on Jan. 23 shows an alleged drone attack conducted by Ukrainian armed forces attacking the Rostneft Oil Refinery in Ryazan, Russia by using many long-range kamikaze drones.

More than 100 Ukrainian drones targeted various regions of Russia on Thursday night, according to Russian authorities.

Russia reported drone attacks across 11 regions, including Moscow and occupied Crimea. The Russian Ministry of Defense claimed that 121 drones were allegedly shot down, one of which was over Moscow. — Ukrinform.

MOSCOW - Russia's Ryazan oil refinery has suspended operations after an attack by Ukrainian drones late last week, two industry sources told Reuters on Monday. Read more at straitstimes.com.