Five railway workers, including an officer, were on Saturday run over by Delhi-bound Dehradun Janshatabdi Express near Ghaziabad at approximately 11.30 am. Northern Railway sources said a railway inspection officer and four workers were killed in the accident between Ghaziabad and Shahibabad stations. The incident comes close on the heels of a similar mishap in which six men were knocked down by a local train near Palwal in Haryana.