QUETTA: A head constable was killed in an attack on a police post in Killi Dur Mohammad area of Sibi on Thursday, police said.Unidentified assailants barged into the police post and shot dead Hawaldar Abdul Aziz who was also in charge of the post. The attackers also took away his rifle and motorcycle.Sibi Division DIG (operation) has suspended two police personnel for dereliction of duty, as both of them were not present at the time of attack.Meanwhile, a police inspector was attacked with a hand grenade in Gwadar late on Wednesday night. However, he remained unhurt – Dailytimes