Three security personnel were martyred and four others were injured in a landmine explosion on Sunday, Levies source said.
According to details, the landmine planted by roadside in Margit area of Quetta exploded when a vehicle of security forces was passing by the scene.
The vehicle was adversely damaged in the landmine blast resulting in death of three security personnel and leaving four others seriously injured.
The bodies and injured were shifted to Quetta hospital for medico-legal formalities. The security forces cordoned off the area after the blast and launched search operation.