A fire broke out on the ground floor of the AIIMS Trauma Centre here on Sunday near one of the operation theatres, the Delhi Fire Service said.
A call was received at 6.13 pm about the incident, following which 12 fire tenders were rushed to the spot, Chief Fire officer Atul Garg said.
The fire broke out on the ground floor of the All India Institutes of Medical Sciences Trauma Centre, fire fighting operations are underway, he said.
Hospital sources said patients had to be shifted to another ward and others were evacuated since the smoke engulfed the ground floor of the building.
The electricity supply has been stopped in the building for now and short circuit is suspected to be the reason behind the incident, they said.