New Delhi, June 13 -- The National Investigation Agency (NIA) on Wednesday arrested the alleged mastermind of so-called Islamic State (IS)'s Tamil Nadu module, news agency Press Trust of India (PTI) reported.

Mohammed Azarudeen, the alleged mastermind, was arrested after the NIA carried out searches at seven locations in Coimbatore.

He was a Facebook friend of Zahran Hashim, the suspected ringleader of the Easter Sunday bombings in Sri Lanka that killed over 250 people in churches and luxury hotels on April 21.

PTI cited an NIA statement and said the agency seized 14 mobile phones, 29 SIM cards, 10 pen drives, three laptops, six memory cards, four hard disc drives, an internet dongle and 13 CDs/DVDs, besides one dagger, an electric baton...