An NIA team got cracking hours before the CM’s move, meeting senior officials of Coimbatore police for a briefing on the findings of the investigation so far that led to the arrest of five young men allegedly linked to IS. A batch of NIA officials had been camping in the city since Monday while another arrived late Tuesday, sources said. They hadn’t visited the blast site till the government’s announcement.An NIA team got cracking hours before the CM’s move, meeting senior officials of Coimbatore police for a briefing on the findings of the investigation so far that led to the arrest of five young men allegedly linked to IS. A batch of NIA officials had been camping in the city since Monday while another arrived late Tuesday, sources said. They hadn’t visited the blast site till the government’s announcement.