QUETTA - A personnel of security force was killed and two others wounded in a landmine blast in Machh area of Bolan district, some 60 kilometers away from Quetta on Saturday. According to local police, three personnel of security forces were on their way in Marghat area of Machh when one of them suddenly stepped on a landmine laid by unidentified people. Resultantly, landmine exploded and wounded three security personnel identified as Abdullah, Lal and Abdul Shafiq. The injured were immediately shifted to hospital for treatment where Abdullah succumbed to his injuries. Police has registered a case against unidentified persons and started investigations.