The CBI registered an FIR against NewsClick and its founder Prabir Purkayastha for alleged violation of the Foreign Contribution (Regulation) Act and carried out searches at the office and residence of the portal's founder on Wednesday, officials said.

In the FIR, the agency has named as accused the company PPK Newsclick Studio Pvt Ltd, Purkayastha, Jason Pfetcher, the sole manager of Worldwide Media Holdings, and American millionaire Neville Roy Singham, who runs an IT consultancy firm, besides unidentified others.