A lockdown at Bishop Ryan Catholic Secondary School in Hamilton has ended.
Police say the school received several phone threats around 8 a.m. Monday as buses were arriving for the day.
As a result, the school was put into lockdown, meaning students are locked in their classrooms and evacuated out by officers, room by room.
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Police say they are taking the threat very seriously and officers are on scene clearing the school, but they insist all the students are safe and are being reunited with their parents.
Police Superintendent Will Mason says two phone calls were made to the school early Monday morning.
He says both were made by a male and both were weapons related.
There are about 1,900 students at Bishop Ryan Catholic Secondary School.