Militants blew up an 18-inch Sui gas pipeline in Dera Murad Jamali, disrupting gas supply in various areas of Balochistan.Police official Ayub Bakhsh told reporters that the pipeline was blown up with a loud explosion, adding that roaring flames of fire were visible from far distances. Four people, including two policemen, were injured. He said that due to the explosion, gas supply to Quetta and several other districts of the province was disrupted.