A woman is fighting for her life after being struck by a police van answering a 999 call.
The pedestrian, who is in her 50s, was rushed to hospital following the horror smash in Streatham, south London, nine days ago.
She remains is a “critical” condition.
Investigators are appealing for witnesses to come forward.
The collision happened on Streatham High Road just before noon on Tuesday May 7th.
It is being probed by the Independent Office for Police Conduct (IOPC).
The police van was travelling in the third lane and passed stationary traffic before it collided with the woman at around 11.55am, according to a spokesman, while responding to an emergency call and had its blue lights and sirens activated.
Sal Naseem, IOPC interim Regional Director, said: “My thoughts are with the woman who remains in a critical condition in hospital, her family and all those affected by this incident, including all of the emergency services involved.
“We are in contact with the injured woman’s family and we have explained our role and offered our support to them.
“It is important that we establish all of the circumstances surrounding the incident and have already gathered key evidence in this investigation; including obtaining body worn video, dash cam footage and CCTV.
“All evidence will be analysed as part of our investigation.
“The police officers involved in the collision are being treated as witnesses to our investigation and we have also identified some members of the public as witnesses.”
A Met Police spokesman said: “A marked police van was in collision with a female pedestrian in Streatham High Road, near the junction with Gracefield Road, at around 11.55am on Tuesday May 7.
“London Ambulance Service and London’s Air Ambulance attended. A woman was taken to a west London hospital where her condition is currently deemed critical.”
He added: “The van was responding to an emergency call at the time of the collision.”