Fire crews and police were called to the venue following the incident at the end of the show, on December 27.
According to members of the crowd, one of the pyrotechnics launched at the end of the Christmas Spectacular set fire to a curtain hung from the building’s roof.
Emergency services filled the street (Image: Oliv3r Drone Photography)
At least five fire crews as well as police attended the scene.
But the blaze had already been extinguished by the time of their arrival.
Firefighters outside the Hippodrome (Image: Oliv3r Drone Photography)
A thermal imaging camera was used to check for hot spots, and emergency services had left the Hippodrome by about 9.35pm.