A road in Northampton town centre was closed off by police on Saturday night after it is believed a man was assaulted shortly after he had got out of a taxi.
The victim of the assault, which happened outside The Old Bank pub in St Giles Square, is believed to have been knocked unconscious and was taken to hospital in a police van.
Eye-witnesses reported that 15 police officers were at the scene and closed off the street for about 40 minutes at about 10.45pm to allow the man to be treated.
It is belived the 30-year-old man could not be placed in an ambulance so he was taken to hospital in a police van
A spokesman for East Midlands Ambulance Service said; “We received a call at 22:46 on Saturday to attend a patient near All Saints Church, George Row, the caller claimed the patient had been assaulted.
“The patient was transported by police van to Northampton General Hospital and our paramedic travelled with the patient to provide medical support.”
A police spokesman said the man’s injuries were believed to be serious but not life-threatening. A 22-year-old-man has been arrested and released on bail.