Bugti tribe leader Wadaira Wazir Khan Nothani along with his two companions was killed, while three others were injured in an ambush near Nelagh hill some 20 kms off Dera Bugti town on Monday evening.Dera Bugti district police officer (DPO) told APP that Wadaira Wazir Khan was proceeding to Sui from Dera Bugti town along with his six companions. As their vehicle reached near Nelagh hill, unidentified armed assailants opened fire at their vehicle. As a result Wazir Khan and his two companions were killed instantly, while three others were critically injured. They were rushed to the district hospital.