At least five coaches of the Bhubaneswar-New Delhi Rajdhani Express train were damaged in a fire that broke out while the train was in the New Delhi railway station yard on Tuesday after dropping off the passengers, officials said.However, no casualty was reported. Nineteen fire tenders were pressed into service after a call was received from the railway station at noon, said an official of the Delhi Fire Service.According to the official, at least five coaches of the train were damaged in the fire. "After dropping the passengers, the train was halted at the yard near the washing line and was being readied for its return journey," he said.The official added that the cause of the fire was yet to be ascertained.