Russia claims to strike Ukrainian troops in multiple directions, while Ukraine claims to strike a Russian oil refinery.

On the 16th, the Russian Ministry of Defense released a war report stating that in the past day, multiple Russian army corps continued to attack Ukrainian troops in directions such as Sumy, Kharkiv, Donetsk, and Zaporizhzhia. The Russian army destroyed Ukrainian fuel depots, Western supply centers for Ukrainian weapons and equipment logistics, and long-range drone storage and launch sites. The Ukrainian Armed Forces General Staff also stated on the same day that in the early morning of the 16th, Ukrainian special operations forces, in coordination with other units of the defense forces, once again carried out a precise strike on an oil refinery in Saratov Oblast, Russia. Explosions and fires occurred in the target area, and the specific situation is still being verified. The Ukrainian military claimed that this oil refinery supplies petroleum products for Russian military operations.