A man in his 40s has been arrested on suspicion of assault after an incident at a supermarket in which a woman suffered a head injury.

Police were called to Sainsbury's at Longwater in Costessey at 10.58am on Monday to reports of a disturbance.

"Emergency services were in attendance and a man was arrested at the scene," a police spokesperson confirmed.

Eastern Daily Press: The incident took place at the Sainsbury's store at Longwater.The incident took place at the Sainsbury's store at Longwater.

The East of England Ambulance Service (EEAST) confirmed it sent an ambulance and a rapid response to the vehicle.

"One patient was transported to Norfolk & Norwich University Hospital for further care," an EEAST spokesperson added.

It is understood the man arrested threw jars of sauce at the victim, which hit a Perspex screen and caused a loud noise.

The noise and the sauce spillage caused concern among witnesses and led to some on social media wondering if a gun had been fired, but no firearm was involved.