Chennai: A five-year-old boy from Chennai died in a road accident on Kamarajar Salai in the city on Monday after the autorickshaw in which he was travelling toppled after hitting a policeman Mahendran who came across the speeding vehicle trailing Tamil Nadu Chief Minister MK Stalin’s convoy. The decased identified as Aloknath Dakshin. The Anna Square police registered a case against the policeman Mahendran and the autorickshaw driver Sekar escaped with minor injuries.