At least nine people were injured in the explosion.

Warning: This story contains video which may be distressing.

A hot air balloon has exploded at a festival in Myanmar, after it was filled with fireworks.

The Tazaungdaing Festival of Lights celebrates the end of Myanmar's wet season, ABC explained in a report.

During the festival, balloons loaded with pyrotechnics are launched.

At least nine people were hurt, The Telegraph reported.

The balloon was reportedly carrying about 18kgs worth of explosives.

One spectator filmed the balloon explosion. The video shows fireworks falling onto the crowd below.