Police referring initial reports said that unknown men had fitted IED with motorbike and parked it along the road side on Sirki Road near Baraich Market.
They exploded it when the vehicle of security forces passed by the area. Resultanlty, four people including two security personnel died while four others suffered injuries.
Soon after the incident police reached the site and threw cordoned around the area.
The victims were moved to the CMH and Civil Hospital.