DMK to stage road roko and Kanimozhi will be heading it. Opposition parties led by DMK have called for a day long bandh across TN to condemn the police firing that claimed the lives of 13 people. Security has been stepped up across the state. Over 10000 policemen deployed in Chennai alone. Security tightened in Marina beach, DGP office, Secretariat and central railway station.CITU auto unions have extended support for the bandh. Public transport not affected due to bandh.