One detained for pelting stone at Stalin's convoy

Police detained one person for allegedly pelting stones at the convoy of the DMK leader M K Stalin, when he was campaigning in the city tonight, police said.
A vehicle suffered minor damage in the stone pelting and no one was injured. Stalin continued with his campaign unperturbed by the incident.
It was not immediately known whether the person who had been detained was a supporter of former Union minister M K Alagiri, who had been expelled from DMK recently, police said.