CHENNAI: The Mysuru-Darbhanga Express collided with a train in Kavarapettai, Tamil Nadu near Chennai on Friday with several feared to have been injured, noted to a railway official. According to Tamil Nadu police, a fire erupted following the incident though no casualties were reported. At least six coaches were also derailed in the accident. The medical relief van and rescue team have started to move from Chennai Central: Southern Railway updated. The train was on the Mysuru-Darbhanga route via Perambur when it collided with a stationary goods train at the Kavarappettai railway station near Thiruvallur.