Speaking to reporters, party MLA Mahendran said that the Government should initiate serious investigation into the incident and bring the culprits to book.

CPI and more importantly its secretary was in the forefront of launching the umbrella group SLTPM, comprising of MDMK, PMK, CPI and VCK. Pandian also single-handedly took the Left to the AIADMK camp after the trust vote on Indo-US nuclear deal parted the comrades' path with DMK's.

Following the incident, the police have given tight protection to his house in city.

Meanwhile, the State unit of Congress has decided to throw its weight behind the Sri Lankan Tamil Welfare Rights Forum, a group floated by the DMK to press for the safety of Tamil civilians in Lanka.