TANK - Some unidentified killer shot dead pro-government militant commander and former chief of a peace body, Shahabuddin Barki, along with his host Asmatullah late Tuesday night, police said on Wednesday. The local police said that Shahabuddin along with another unidentified person were present in his residence when at about 12:30am the inmates of the house heard fire shots. Ghulam Rasul, who got an FIR registered with the police after the incident, said that he rushed to the adjacent guesthouse and found his son Asmatullah and commander Shahabuddin lying with bullet injuries. Identity of the unidentified guest could not be ascertained as fled from the scene. It may be noted here that the deceased commander was a close aide of late Qari Zainuddin, the head of Zainuddin or Abdullah Mahsud Shaheed Group, who was assassinated by his body guard in mid 2009 in D.I.Khan. According to police, the injured was shifted to nearby Tank THQ hospital where doctor pronounced them dead. Motive of the killing was not yet known.