A crash which closed a rural Norfolk road for several hours involved two police cars on their way to a call-out.
The incident happened on Norwich Road, Swaffham, at around 2.15pm on Monday, December 2.
A Norfolk police spokeswoman said two police cars were involved, and said one officer was in one of the cars while two officers were in the other.
The spokeswoman said both vehicles were on their way to call-outs when the collision occurred. She said the officers involved sustained minor injuries, and although they had been taken to hospital after the crash, they had all since been discharged.
She said: "The two vehicles involved were both police cars who were on Grade A, blue light responses. All three officers suffered minor injuries as a result of the incident. Enquiries are ongoing to establish the exact circumstances of the incident."
Fire crews from Dereham, King's Lynn and Swaffham used hydraulic rescue equipment to free the officers from the vehicles.
An eyewitness to the aftermath of the crash, who asked not to be named, said it appeared to be a major incident.
She said two air ambulances landed - one at around 2.30pm and the other at around 4.30pm. One later flew off in the direction of Norwich and the other went towards Cambridge.
She said: "It didn't seem like a little collision, but I didn't see or hear the crash. It must have been quite bad for the number of people that were there - it must have been 50 people.
"The police were asking everyone if they had dashcam or camera footage of it."
The road was closed between the North Pickenham road junction and the McDonald's roundabout, but had re-opened by 6.15pm.
An East of England Ambulance Service spokesman said: "We were called to Norwich Road in Swaffham shortly after 2.20pm on Monday following reports of a collision.
"We sent two ambulances, two ambulance officers and the Magpas air ambulance. Crews treated three patients at the scene before transporting two by land to the Queen Elizabeth Hospital for further assessment and care."
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here