Bhopal: Eight members of the terrorist group SIMI, who were gunned down on Sunday "were planning a huge terror attack and a big network made their jail break possible," said Madhya Pradesh Home Minister Bhupinder Singh. "If such terrorists had managed to escape, it would have been a great threat to national security. The Madhya Pradesh Police managed to trace and kill them in a short time”, he added. "They have been charged with being involved in terrorist activities. They had planned this jailbreak. This is the most secured jail in Madhya Pradesh. It was obvious that a big network is behind this planning," he said. Adding to this, the minister in charge of the state's prisons, Kusum Medhale said, this escape has highlighted security failures including CCTVs, which were not working. SIMI encounter: Cops unable to answer the press Breaking news: Escaped 'SIMI terrorists' killed in Encounter Bhopal Prison Escape:Home Minister asks for report