QUETTA: Seven people – including children and women – were injured in gas leakage explosions in Quetta and Kalat on Friday. In Quetta, a leakage of gas in a house caused an explosion at Archer road. Four people, including two women, sustained serious burn injuries. The injured were shifted to BMC for treatment. In another incident of gas leakage in Kalat, three people were injured. Two children were also included in those injured. They were shifted to CMH Quetta for treatment.