The man was airlifted to the Royal London Hospital
A jogger has been hit by an unmarked police car responding to an emergency call, leaving him with "serious life-changing injuries".
The crash happened about 07:20 GMT at the junction of the A127 and Progress Road in Leigh-on-Sea, Essex.
The man, who police said is aged in his 20s, was treated at the scene for a head injury and suspected multiple fractures, the ambulance service said.
He was airlifted to the Royal London Hospital for further treatment.
The crash is being investigated by the Independent Police Complaints Commission
The jogger was airlifted to the Royal London Hospital by the Hertfordshire Air Ambulance
The Southend-bound carriageway of the A127 was closed for about six hours while police conducted their initial inquiries.
A spokeswoman for Essex Police said it was not possible comment to further as this time as the "investigation is now being conducted by the IPCC, external".
- Published5 December 2014
