A passenger train going from Mysore to Darbhanga has collided with a stationary goods train in at Kavaraippettai railway station in Tiruvallur district, near Chennai. The parcel van of the express train caught fire and 19 passengers are reportedly injured. At least 12 coaches of the passenger train have also derailed. Here are the updates on Tamil Nadu train collision:A passenger train, travelling at 75 kmph, hit a stationary goods train on Friday, at Kavaraippettai railway station in Tiruvallur district, near Chennai, at around 8:30 pm. The train entered a loop line instead of the main line, following which at least 12 coaches derailed, leaving 19 passengers injured, railway officials said. A parcel van also caught fire.