Police said that they were called to investigate at around 11:42 p.m. after someone reportedly threw fireworks at the end of the concert.
Video surfacing on social media show several red and yellow fireworks going off in the middle of the concert venue with thousands of spectators.
Maple Leafs Sports & Entertainment (MLSE), the organization that oversees the venue, said “unauthorized and illegal fireworks were set off on the arena floor by a member of the audience.”
Three people suffered minor injuries and were seen by “internal EMS medics” who were working at the concert, police said.
None of the injured required an ambulance or were taken to hospital, police said.
MLSE said the attendees were “able to go home without a need for further medical attention.”
“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 organization said.
Police said no damage was caused to the property.
As of Thursday morning, police have no suspect information and investigators said they are working with security at the venue to review video surveillance.
It is unclear how the fireworks made it inside Scotiabank Arena.
“Ain’t no way that those fireworks were supposed to go off INDOORS at the dua lipa toronto concert I was scared af if you couldn’t tell,” wrote one person on Twitter who posted a video of the fireworks.