According to local authorities in western Farah province of Afghanistan, Taliban militants ambushed a convoy of the NATO troops supply in this province killing at least 3 private security guards escorting the convoy.

The officials further added the incident took place Thursday night in Dasht-e-Bakwa and at least 12 NATO supply containers were also torched following the attack>

In the meantime a spokesman for the Afghan police forces in western Afghanistan Abdul Rauf Ahmadi said at least two security guards of Arya Security Company were killed and another one was injured during the clashes.

He also said Taliban militants suffered casualties during the clashes however he said the exact number is unknown.

Mr. Ahmadi also confirmed at least 12 NATO oil tankers were also damaged following the Taliban militants ambush.

Taliban militants group yet to comment regarding the incident.