Russia's 4th-largest oil refinery shuts down after Ukrainian drone strike, Reuters reports (opens original article in a new tab)

Russia's fourth-largest oil refinery halted operations after a Ukrainian drone strike damaged a key production unit, exacerbating the country's fuel crisis.

• Russia's fourth-largest oil refinery shut down after Ukrainian drone attack
• Refinery's damaged unit accounts for a quarter of its production capacity
• Ukrainian strikes have increased since 2026 targeting Russian energy assets
• Fuel crisis in Russia worsened with export bans and price hikes