An oil reservoir at a mining company in the western Russian region of Kursk has caught fire following a Ukrainian drone attack, official reports said on Wednesday. There were no injuries and the fire brigade was fighting the blaze, Kursk Governor Roman Starovoyt said on his Telegram channel. Later Wednesday morning, he confirmed a second drone attack, which had also hit the mining firm’s fuel depot. The factory in the city of Zheleznogorsk for the production of pig iron belongs to the Metalloinvest holding of oligarch Alisher Usmanov and is on the international sanctions lists. The fire has ha…