Title - There was a loud sound when S11 caught fire: Mukul Roy -

Railway Minister Mukul Roy on Monday said that some injured passengers and a gateman had heard a loud sound when the S-11 coach of Tamil Nadu Express caught fire, but refused to say at this stage whether he suspected sabotage."Some of the injured passengers admitted to hospitals and a gateman at one of the level crossings near Nellore station heard a loud sound when the fire occurred in the coach," Roy told PTI before leaving for the accident site at Nellore in Andhra Pradesh.Asked if he suspected any act of sabotage, Roy said, "I will not say anything at this stage.""Nothing is being ruled out and nothing can be said without an investigation. It will be investigated if inflammable substances were in the compartment or it was caused by a short circuit," the minister said.