Police car hits jogger in Leigh-on-Sea
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 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".