According to initial details, a levies vehicle was the target of the attack.
The improvised explosive device went off when the vehicle passed by, injuring the officials and the woman.
The injured were shifted to Agency Headquarters Hospital in Khar, while the political administration launched a search operation in the area.
Correction: In an earlier version of this article, it was erroneously mentioned that the woman was killed in the blast. The error is regretted.
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