Fire Service and Civil Defense headquarters has formed a 5-member committee to investigate  the big blast in a building near Moghbazar Wireless Gate on Sunday evening. Brig Gen Md Sazzad Hussain, director general of Fire Service and Civil Defence, disclosed the information  to the media after visiting the site late Sunday night. Read:Moghbazar blast: Death toll climbs to 8, fire service confirms 3 “The committee has been asked to submit a report within 7 working days,”  Md Sazzad added. The fire service chief also suspected gas leakage as the most possible cause of the blast. Read: Twin blasts rock Indian Air Force base in first-ever drone attack Meanwhile, police disregarded the possibility of militant involvement behind the blast. ”Splinters would have been scattered at the scene if it were a bomb blast,"said DMP Comissioner Shafiqul Islam. Read: 1 dead, 3 injured in Boiler blast at Sitakunda shipyard Eight people were killed and 66 others injured following a big blast in a building near Moghbazar Wireless Gate on Sunday evening. However, sources within the Fire Service and Civil Defence confirmed the deaths of three people.