The NIA on Wednesday searched seven places in Coimbatore in Tamil Nadu including the residence of a social media friend of the Sri Lankan terrorist who masterminded the April suicide bombings in the island nation.
The searches are part of a National Investigation Agency (NIA) probe into a new Islamic State module in India, officials said.
The suicide attack was blamed by Colombo on a Sri Lankan Islamist group although the Islamic State claimed responsibility.
Last month, the NIA searched 10 places in Tamil Nadu in connection with the investigation into the Islamic State module where some people allegedly conspired to raise funds and wage war against the State.
NIA officials have visited Sri Lanka this month in connection with their investigation.
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