An unidentified youth was killed when a train hit him on Dhaka-Mymensingh rail route in sadar upazila on Sunday.The identity of the deceased could not be known immediately, but he is around 20 years old.The accident took place when a train hit him at Bhaoal Gazipur area, leaving him dead on the spot, police sources said.Later, being informed, police rushed to the spot, recovered the body, at 7:30 am and sent to Dhaka Medical college Hospital morgue for autopsy, the sources added.