The source described the weapons as highly accurate and effective. The army had started using them in recent weeks having been trained in their use in Syria in recent months, the source said.

“New weapons are being delivered, and new types of weapons. The Syrian army is being trained in the use of these weapons. In fact, the army has started using some of these (weapon) types,” the source said in response to a question about Russian support.

“The weapons are highly effective and very accurate, and hit targets precisely,” the source told Reuters. “We can say they are all types of weapons – be it air or ground.”

The source declined to give further details about the weapons.