TANK - In order to launch an armed action against militants, tribesmen here Thursday decided to form a Lashkar. Sources said that a tribal Jirga would soon be held in Kalachi area of Tank to form the Lashkar. The very first task of the Jirga would be to nominate a tribesman as its head. The Gandapur tribe is in majority in the area, as over 80 percent residents in Tank belong to this tribe, while talks would soon be held to formally invite Bitani and Mehsud tribesmen. The sources said that the tribal elders have formally apprised administration of their intention.