(CNN) After four people were injured Monday in a shooting during the Toronto Raptors' NBA Championship celebration, Canadian officials urged the public to not let it undermine a mostly peaceful commemoration of a historic win.

"I hope all those injured in today's shooting have a speedy recovery and I'd like to thank the Toronto Police for acting so quickly," Prime Minister Trudeau said on Twitter.

"We won't let this act of violence take away from the spirit of today's parade."

The Toronto Raptors celebrate their first NBA championship with fans Monday.

Trudeau was present for the victory rally in downtown Toronto, where huge crowds had gathered to celebrate the Raptors' victory over the Golden State Warriors in the NBA finals

Four people suffered "non-life threatening" injuries in a shooting near the rally in Nathan Phillips Square, Toronto Police Chief Mark Saunders said. Three people were arrested in two separate incidents connected to the shooting, he said.

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