Police are responding to an incident near Milton Keynes College, by the Chaffron Way campus.
A statement from the college revealed some students and staff witnessed the incident.
The school says they believe the situation is 'contained'.
Our reporter George Roberts went down to the scene.
IN PICTURES:
An image shows police guarding a cordon near the school
Reporter George sends us this image of a forensic investigator at the scene.
George is still on the scene.
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