The police on Sunday detained eight persons belonging to the proscribed Tamil Desiya Iyakkam for interrogation in connection with Saturday's track blast at Sithani near here.

Those detained are Tamil Vengai, Jothi Narasimhan, K.Balu, Elumalai, Ezhil Ilango, Ganesan, Jayaraman and Kumar.

They were taken to various police stations located at Kanjanur, Kaanai, Kedar and Thiruvennainallur for interrogation.