Emergency crews took one man to hospital after he was stabbed at a crowded Canada Day celebration.
It happened at the skate park at The Forks around 8:30 p.m. where thousands of people were spending their evenings.
Police say a male youth was stabbed in the upper body.
They wouldn't comment on what weapon was used.
At 10:30 p.m., police said witnesses and one male suspect were undergoing questioning.
CTV will bring you more information as it becomes available.
