
Police officials have claimed that the blast was a suicide attack.
A car containing up to 18 bombs was also found from the area. The Bomb Disposal squad was called in to defuse the bombs.
All injured were shifted to the hospital.
Police and security forces have cordoned off the area and have started investigations.
The area, which is 22 to 25 km away from Quetta, is sensitive because of its adjoining border with Afghanistan. The area is also used as a passage for NATO containers.
In July, an Awami National Party rally was targeted in the same area killing eight and injuring 22.
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