Yorkdale Shopping Centre was locked down Sunday afternoon after shots were fired inside the retail complex.
Toronto Police officers took a man into custody after being called about gunfire inside the mall.
When officers arrived, they pursued and captured one individual, according to police, who recovered a firearm.
Store employees and shoppers took to Twitter to share information.
A Nike staffer said everyone was hiding in their respective shops.
One customer, who was stuck in the food court, and not allowed to leave, described hearing “semi-automatic shots” fired around The Bay, though that information has yet to be confirmed by police.
There are no reports of any victims or injuries.
The investigation continues there was no immediate word on whether any charges had been laid.
Gunfire also forced Yorkdale into lockdown three years ago.
On Aug. 30, 2018, police locked the mall down after two groups got into an altercation, and shots were fired. The suspects fled on foot.
Sunday’s incident comes a few weeks after a shooting in Sherway Gardens sent shoppers and employees running for their lives.