Police and ambulance crews were called to an incident in Northampton town centre on Friday night.
A large police presence including about six police cars and a police riot van was in the Swan Street and St John’s Street area of town. The road was also been taped off between St John’s multi-storey car park and the University of Northampton halls of residence.
An ambulance was also on the scene.
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The tape was removed at around 10.20pm.
Police have not confirmed any details as to the nature of the incident.