Another four members of the family, including three children, were also injured.
The incident took place in the Muhammad Aslam Khan neighbourhood of the provincial capital.
Floods: Rescue operation continues in full swing
Authorities conducted a five-hour long rescue operation in the area and salvaged the injured from the rubble.
The wounded were shifted to hospital.
Due to the area's narrow streets, the rescue teams took longer to arrive at the scene and faced difficulties in completing the operation.
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