QUETTA - Unknown people blew up a gas pipeline in Dera Bugti district on Thursday. Sources said that explosives were attached to a gas pipeline in Pir Koh area of Dera Bugti which exploded and suspended gas supply to the purification plant from Well No 15 and 16. No loss of life was reported in the blast. Meanwhile, one person was killed and another wounded in a tribal clash in Quetta on Thursday while a gas pipeline exploded in Dera Bugti district. Police said that unidentified armed men opened indiscriminate firing at Sabzaal Road Quetta, killing one person identified as Badal Khan Rindh on the spot and seriously wounded his brother namely Noordan. The assailants managed to escape from the site after committing the crime.