A passenger train, travelling at 75 kmph, hit a stationary goods train on Friday, in Tamil Nadu, at around 8:30 pm. The train entered a loop line instead of the main line, following which at least 12 coaches derailed, leaving several passengers injured, railway officials said. A power car also caught fire. Train 12578 Mysuru - Darbhanga Bagmati Express collided with a goods train at Kavaraippettai railway station in Tiruvallur district, near Chennai.