KYIV, Jan 29 (Reuters) - The Ukrainian military said on Wednesday that its drones struck an oil refinery in Russia's Kstovo city in the Nizhny Novgorod region overnight.
There was a large fire at the refinery following the attack, the Ukrainian military said, adding it was assessing the scale of damage there. (Reporting by Anastasiia Malenko Editing by Bernadette Baum)