SHIJIAZHUANG, July 7 (Xinhuanet) -- A gas explosion caused by refitting of home gas pipes left five slightly injured and two rooms damaged in Shijiazhuang, capital of north China's Hebei Province, Sunday evening.

　　At 20:10 Sunday, the blast occurred inside an apartment in the No. 6 building of the newly completed Xucheng Garden residential quarters,

　　Windows and doors were damaged and flying glass injured five residents, who were sent to a local hospital immediately.

　　So far, four of the five injured have been discharged from hospital, while an elderly man remained for medical treatment.

　　Li Lijing, owner of the No. 201 apartment where the blast occurred and an electrical engineer, had refitted the gas pipes when decorating the apartment.

　　Turning on a refrigerator was believed to have caused the leaked gas to explode, said Guo Xinnian, vice director of the city's public security bureau.

　　The city has organized a group to help the 50 residents living in the building. Enditem