A raging inferno caused massive damage to a 4-story building at Kavi Nagar, Ghaziabad in early hours of today. Several fire tenders had to be rushed at the spot. The cause of fire is said to be a short circuit. The incident happened early morning while only a few employees of the departmental store and a restaurant below were present who were evacuated safely. As many as 12 fire tenders were pressed into action.