Massive fire erupts at Russia's Ryazan oil refinery as Ukraine reportedly launches large-scale drone strikes

Key Points:

• Ukraine reportedly launched a large-scale drone attack overnight on May 15 targeting Russian military and energy infrastructure in multiple regions, including a significant strike on the Ryazan oil refinery.
• The Ryazan Oil Refinery, one of Russia's largest, suffered a massive fire with local reports of drone debris hitting residential buildings, resulting in three deaths and 12 injuries according to regional authorities.
• Additional drone attacks were reported near the military airfield in Yeysk, Krasnodar Krai, and in occupied Crimea, with Moscow shooting down several drones and temporarily halting operations at major airports.
• Russia's Defense Ministry claimed to have downed 355 Ukrainian drones overnight, while Ukraine has not yet confirmed the attacks; these strikes follow a deadly Russian missile and drone assault on Kyiv the previous day.
• Ukraine has intensified drone attacks on Russian oil and gas infrastructure recently, aiming to disrupt Moscow's energy revenues, which are crucial for funding its ongoing war effort.