Kazakhstan’s largest oil producer is preparing to resume output at the giant Tengiz field, a further step to normalize the nation’s supply to global markets after a series of disruptions in recent months.

Ukraine said it hit a small oil refinery in southern Russia, the third attack this month on its foe’s fuel-producing industry.

Russia’s first domestically built ice-class tanker docked at the US-sanctioned Arctic LNG 2 plant, expanding the facility’s fleet of vessels able to transport the fuel in winter.