The accident happened at around 10:13 a.m. in a street-front shop at Hongqi Street. The fire was extinguished at around 11:20 a.m.
Preliminary investigation showed that the gas explosion was caused by the rupture of a natural gas pipeline due to a pipeline renovation.
Five individuals related to the incident have been taken into custody by the public security authorities.
Further investigation into the incident is underway.
(With UNI inputs)