Jan. 24 (UPI) -- The General Staff of Ukraine 's Armed Forces confirmed an attack overnight that hit Russia's Ryazan Oil Refinery and the Ryazan Thermal Power Plant, leaving them ablaze Thursday morning. "As a result of the strikes, fires broke out at the production facilities of the Ryazan Oil Refining Company and at the Ryazan oil pumping station," the General Staff statement said. "Also, the microelectronics plant 'Kremniy El' in Bryansk was hit. This is one of the key enterprises of the