Police are searching for a suspect in the stabbing of a male student at Dr. E.P. Scarlett High School in Calgary's southwest.

The school went into lockdown Friday around noon as a precaution after the student was stabbed in the stomach just off of school property. Police were on scene throughout the afternoon for the investigation.

The lockdown was later lifted and the student's injuries are considered to be minor. He is in hospital and expected to make a full recovery.

Police said they believe they know who the assailant is, although they're not sure if he is a student.

The Calgary Board of Education said it will release more details later.

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Police have lifted the lockdown at a southwest Calgary school following a stabbing Friday. (Alana Baker/CBC)