Ukrainian air defences downed 50 of 72 drones launched by Russia overnight and attacked one of Russia's largest oil refineries, Ukraine's military said on Sunday.
Ukrainian and Russian forces engaged in 167 combat clashes, with the fiercest fighting occurring in the Pokrovsk, Kramatorsk, and Lyman sectors. — Ukrinform.
Ukraine relies on the US for 40% of its military needs. The future of US aid to Ukraine remained uncertain as Trump started his second term in office earlier this week.