Ukra "Russian oil reservoir hits...41 Russian drones down"

Ukrainian forces struck the Russian air force's oil storage on Tuesday, local time, it said, as Ukraine and Russia stepped up their offensive against each other.

The facility is in Engels, Saratov province in southern Russia, and is said to have been engulfed in fire by a drone strike by Ukrainian forces.

The Ukrainian military also said it had shot down 41 of 64 drones launched by Russia throughout the country in a single day.

There were no Ukrainian infrastructure or casualties in the attack, it added.