RAWALPINDI: (Parliament Times) As many as 3 persons were injured after furnace in a sweet shop exploded with a big bang in the area of F-11 Markaz here. Those who received burn injuries due to gas furnace blast included Muhammad Rizwan, Muhammad Aslam and Nasir. According to police explosion took place due to leakage of gas. The injured were shifted to hospital. Two among the injured have been discharged and third is still under treatment in burn centre.