Switzerland's Federal Supreme Court has rejected Gazprom's appeal to overturn an arbitration ruling ordering the Russian company to pay Ukraine's Naftogaz more than $1.4 billion in unpaid transit fees plus interest, Naftogaz CEO Sergii Koretskyi announced.

Eight drones were shot down over Russia’s Novgorod Oblast overnight into Monday, with local reports indicating the likely target was the Acron chemical plant in Veliky Novgorod, regional Governor Alexander Dronov confirmed.