At least two security forces personnel were injured in a blast near a school at Saryab Mills, Quetta, Aaj News reported on Monday.
As per reports, the explosive was placed on a motorbike near the school. The bomb blast shattered the glasses of nearby buildings.
Rescue teams and a bomb disposal squad have reached the site, while the injured have been shifted to a nearby hospital.
Pakistan has seen an increase in attacks in recent months with several terrorism-related incidents being reported especially in Balochistan.