Buildings near the blast site were damaged as a result of the explosion which was targeted at a vehicle of the Frontier Corps. Emergency and security teams reached the site of blast.
The victims, which included FC personnel, were shifted to Quetta's Civil Hospital where an emergency had been declared.
Meanwhile, an explosion in Balochistan's Pak-Afghan border town of Chaman injured two persons.
Rescue and security teams reached the blast site situated near Eidgah Chowk in the city. Several cars were damaged in the explosion. The victims were shifted to the Civil Hospital in the city for medical treatment.