A Mississauga high school was under hold and secure after a male was seen inside carrying a knife on Tuesday afternoon.
A few minutes before 1:45 p.m., Peel Regional Police said Lorne Park Secondary School had placed itself under lockdown after seeing an unidentified male with a knife.
Officers arrested the suspect, and the school lifted its lockdown. The school was under hold and secure for police to carry out their investigation.
At 3:15 p.m., police said the hold and secure had been lifted, and a male youth is in custody.
Police say the school board will send a statement out to parents.