Fire tenders were immediately pressed to action to douse the flames.
Around 10 ambulances and an air ambulance were also rushed to the spot.
Nodal Officer, Disaster Management, Dr Rishi Sahay said the fire broke out after a cylinder blast occurred in the tent. "No casualties have been reported so far," he told ANI.
SP (Security, Prayagraj) Ashutosh Mishra said the fire has been contained and the area is being cleared.
Further details are awaited.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)