Firing opened at near Bagan at a convoy carrying supplies for Para Chinar, Bagan, Alizai, Balashkhel, Sada and other areas of Kurram district.
SHO Kurram has said that the firing has been continued, while some vehicles have been set on fire and a vehicle of the convoy also damaged in the rocket attack.
Police and other law enforcement agencies personnel have been sent to the spot, SHO Para Chinar has stated.
Third convoy of 35 trucks, carrying edible and other essential items, was sent to the region today.
The citizens facing hardships due to shortage of edibles and other essential items and demanding the authorities to keep continuing cargo convoys without interruption.
Lawlessness in the region and roadblocks have disrupted supplies to the district for long time causing severe shortage of edibles, medicines and other essential items.
The district administration has said that the bunkers being demolished at Balash Khel and Khar Kalay areas of Lower Kurram. Officials said that seven bunkers have been demolished in the area so far.