QUETTA, Jan 28: Gas supply to the main purification plant in Sui was supended on Sunday after saboteurs blew up the main pipeline from the gas field.

According to sources, high explosives armed with a timer were used to blow up the pipeline. The pipeline served at least six wells, they said.

"The blast destroyed a portion of the pipeline,” official sources in Sui said, adding that soon after the incident the gas supply in the affected pipeline was cut off from the wells.

"Gas supply to the main purification plant was temporarily affected," sources in the Pakistan Petroleum said. However, they said that the plant was working normally.

Meanwhile, militants fired at least four rockets at a Frontier Corps checkpost in Kohlu.

Security forces seized 16 kilogrammes of high explosives dumped between Sui and Loti.