Up to 400 Iran-made drones may have been destroyed in the fiery blast, while a military airbase in Southern Russia was also attacked.

A fire has been raging for five days at the largest oil terminal in Crimea, which has been under Russian control since 2014. The attack, attributed to Ukrainian forces, caused significant damage. The authorities installed by Moscow reassured that there was no public health threat,

The Ukrainian military says one of its drones struck an important arms depot inside Russia three weeks after another drone blasted a major Russian armory and three days after a drone smashed into a key oil terminal in Russia-occupied Crimea.