Tamil Nadu: The gang war between two student groups turned violent after they pelted stones on a train. The shocking incident took place at Athipatti Railway station in Tiruvallur, Tamil Nadu. According to the sources, students from two groups attacked each other with knives and stones on the train. They created a ruckus in the railway station by pelting stones at each other and carrying weapons on the premises of the railway station. The railway officials informed the incident details to the Railway Police and after investigating the case, the RPF police took four students belonging to Pachaiyappa's college and produced them before the case.