A massive fire broke out at a temporary structure on the roof of a four-storied building in the Gautam Nagar area of Delhi.
According to the fire services department, the blaze may have been caused by a twin-cylinder blast.The incident occurred around 9 am on Tuesday.

Five fire tenders were rushed to the spot and the fire was brought under control.
No casualties were reported in the incident.
Further details are awaited. (ANI)