QUETTA - Militants blew up another gas pipeline in Dera Bugti on Friday, suspending supply to a purification plant, said sources. The sources said that the explosive, planted by miscreants beneath an-eight inch diameter gas pipeline in the Loti area of Dera Bugti, exploded, damaging a portion of pipeline. The explosion caused suspension of gas supply to a purification plant. The law enforcers rushed to the site and started a search operation to nab the culprits. Separately, transporters blocked National Highway in the Dhadar area of Bolan to protest against lawlessness and rising crimes such as kidnapping for ransom, highway robberies etc. Early in the morning, local transporters blocked National Highway in the area of Dhadar by placing barricades and parking their vehicles on the highway, causing a traffic mess.