Tamil Nadu police have filed a first information against former chief minister and Dravida Munnetra Kazhagam president M Karunanidhi for alleged irregularities in construction of a bridge that collapsed during heavy rains in November in Karur district.

The FIR was filed in the last week of December 2005 in the court of chief judicial magistrate, Karur, about 350-kms from Chennai.

The New Aamravati Bridge was washed away during the heavy rains in November.

The FIR, filed under Section 13(1) of the Prevention of Corruption Act and Sections 408 and 409 (criminal breach of trust) read with 120B (conspiracy) of the IPC, also names former chief secretary C S Nambiar, former municipal administration secretary Malathi and Abdul Rahman, managing director of city-based East Coast Consultant and Infrastructure Limited.