Environment Adviser Syeda Rizwana Hasan on Thursday said the high-profile probe committee formed by the government to investigate the Secretariat fire incident would submit its primary report within the next three days. "We want a thorough and extensive investigation. The government is giving the highest importance to the matter," she said while briefing reporters at Foreign Service Academy in the evening. Committee formed to probe Secretariat fire She said an emergency meeting was held with Chief Adviser Prof Muhammad Yunus in the chair where the decision was taken. The Adviser said they need to wait until the probe committee's report is received to answer all the questions that they hear around. She said the media will get a copy of the probe report on completion of the full-fledged investigation. Fire at Secretariat a ‘conspiracy’: Mostafa Jamal Rizwana said the senior secretary at the Ministry of Home Affairs will lead the high-powered seven-member investigation committee. Other members of the committee are - secretary of the Housing and Public Works Ministry, the Inspector General of Police (IGP), chief of Fire Service and Civil Defense (member secretary), explosive expert from the Armed Forces, and three experts (civil, chemical and electronic engineers) Dr Tanvir Mansur, Dr Yasir Arafat and Yasir Arafat from Bangladesh University of Engineering and Technology (BUET). Cause of secretariat fire still unknown: Fire Service DG Home Affairs Adviser Lt Gen (retd) Jahangir Alam Chowdhury, Sports Adviser Asif Mahmud also spoke at the briefing. Chief Adviser's Press Secretary Shafiqul Alam was also present.