Coimbatore: The National Investigation Agency Thursday continued raids here for a second day in connection with the ISIS Kerala-Tamil Nadu module case.

After carrying out searches at seven locations in the city on Wednesday, the NIA had detained six people for questioning and arrested prime accused Mohammed Azarudeen, who was a Facebook friend of Sri Lankan Easter Day blasts mastermind Zahra Hashim. Officials from the revenue and police departments are carrying out searches at the houses of three other people-Mohammed Hussain, Shahjahan and Hayatulla- from as early as 4.30 am Thursday, police sources said.