Joint operations room of western Libya said its forces had destroyed four air defense systems (Pantsir S-1) used by Khalifa Haftar's forces and three ammunition vehicles in airstrikes on last Tuesday.

In a statement on Thursday, the room said their fighter jets had destroyed Sukhoi 22 warplane at Al-Watiya airbase on Wednesday, in addition to howitzer artillery, and a tank and seized some vehicles.

"Our operations will continue and will be intensified until the attacking forces are defeated." The room said.

Meanwhile, a Russian newspaper cited Libyan social media activists' photos showing a Russian Pantsir S-1 air defense system arriving in Al-Jufra airbase via a UAE transportation jet in order to back up Haftar's forces.

The newspaper says the system was seen on a Germany-made truck, saying that only the UAE has this air defense system.

"The UAE supported Haftar with military vehicles, warplanes, and other combat supplies, which means it has provided him with this Russian air defense system." The newspaper added.

A source from Volcano of rage Operation said earlier they had destroyed trucks and ammo going to Gharyan from Al-Jufra, with reports saying the Russian air defense system was among the destroyed items.