Video shows fireworks being set off inside Scotiabank Arena during Dua Lipa's Toronto concert

Toronto police are investigating after unauthorized fireworks were set off inside Scotiabank Arena during a Dua Lipa concert Wednesday night.

The concert got underway at around 9 p.m. to a packed arena and finished at around 10:30 p.m.

Police said they received reports at around 11:40 p.m. that an audience member threw a firework at the end of the concert.

Videos on social media show several fireworks popping off from what appears to be the back section of the venue's floor area.

Witnesses say Dua Lipa was performing her final song of the evening when the fireworks went off and that she appeared startled by the incident.

Three people suffered minor injuries and were seen by internal medics at the venue, according to police.

Carla Baptista attended the concert and said some people initially thought the fireworks were part of the show. 

"...Out of the blue these fireworks came out of nowhere, and at first everyone was surprised and was not really understanding that," she told CP24 on Thursday.

"We thought it was part of the concert but suddenly it went in all directions and then we saw some people in the ground level running and trying to protect themselves," she added.

Investigators are currently working with security at the arena and viewing surveillance video, police said.

There is no suspect information at this time.

Police said if a suspect is arrested they could face charges of mischief and endanger life.

It is unclear how fireworks were brought into the arena.

Owner of the arena, Maple Leaf Sports & Entertainment, said in a statement that the fireworks were "unauthorized and illegal."

"As one of the premier venues in North America, creating a safe and secure venue for every attendee at Scotiabank Arena is MLSE’s top priority and we immediately began working in cooperation with Toronto Police Services to fully investigate this reckless and dangerous act," the company said in a statement to CP24.

The concert was part of the pop singer’s Future Nostalgia tour happening throughout North America, Europe and Oceania.