Police have registered a first information report (FIR) in connection with the fire in a 61-storey residential building in Currey Road area of central Mumbai, which resulted in the death of a security guard as he fell from its 19th floor, an official said on Saturday. Security guard Arun Tiwari, 30, who rushed to the upper floors to alert residents, was later spotted hanging on to the railing of a 19th-floor balcony before falling to death