A suspected drone attack on the Ilsky oil refinery in southern Russia, the second in as many days, has caused a fire, TASS news agency reported on May 5, citing emergency services. Russia's RIA Novosti news agency also reported that there were no casualties following the incident, while the fire had been put out. Russia claims the attacks are by Ukrainian drones, though it has not produced evidence to back that up. Ukraine has not commented. The Ilsky refinery, near the Black Sea port of Novorossiisk in the Krasnodar region, has a processing capacity of around 6.6 million tons per year. To read the original story by Reuters, click here.