Toronto police say a teen has been stabbed after an altercation at a high school in The Junction neighbourhood on Friday.
Police said the stabbing happened at around 11:45 a.m. at Humberside Collegiate Institute near Keele and Dundas streets.
Investigators said there were reports of an altercation and a teenage boy was stabbed.
The boy was taken to hospital by paramedics with minor injuries, paramedics said.
The high school was placed under lockdown.
Police said officers were looking for a suspect and in a later update indicated a 16-year-old boy was arrested.