QUETTA, Jan 30: Gunmen attacked six vehicles taking supplies for Nato forces in Afghanistan and set five of them on fire in two different areas of Balochistan on Sunday.In the first incident, gunmen opened fire on three trailers going to Chaman from Karachi near Wadh area of Khuzdar district and set two of them afire.

The third trailer skidded off the road and plunged into a ditch after the driver lost its control.

A police officer said that both trailers were gutted, but drivers and other people in the vehicles remained safe. The gunmen escaped after the attack.

In the second incident, taking place in Mastung area, three oil tankers carrying fuel for Nato forces were attacked with grenades and burnt by armed men late in the night.

Sources said the tankers carrying fuel to Chaman from Karachi were attacked in Ganji Dori area of Mastung district. As a result of the grenade-and-gun attack the three tankers caught fire.

“The armed men riding motorcycles hurled two grenades and opened indiscriminate fire on tankers,” a senior official of the Levies Force told , adding that the drivers were not injured in the attack.

All three tankers were gutted, he said, adding that the attackers, eight in number, escaped from the scene to a nearby locality.