Youngsters and students participate in a protest to lift the ban on Jallikattu and impose ban on PETA, at Kamarajar Salai, Marina Beach in Chennai on Thursday. Pic/PTI

Chennai: Actors such as Ajith Kumar, Suriya, Karthi and Trisha Krishnan were among the first to gather here for day-long fast organized by Nadigar Sangam - the South Indian Artistes Association - to express solidarity with youngsters protesting against the ban on Jallikattu.