A volunteer police officer was rushed to hospital with serious injuries after he was hit by a car while on duty.
The special constable was at the scene of a separate collision on just after 10.30pm on Friday when he was struck by a passing car, West Midlands Police said.
The 52-year-old officer, was with a colleague during the incident in Wolverhampton Road in Oldbury, Sandwell.
He sustained a multiple fracture to his leg and on Saturday he remains in hospital awaiting surgery.
A 59-year-old driver was arrested at the scene on suspicion of dangerous driving.
She has been released under investigation while police continue enquiries.
Inspector Tony Cole said: "Once again we have seen one of our police family injured in the line of duty, and in this instance one of our special constables who give their time voluntarily to help protect the public.
"Our thoughts are with him and we wish him a speedy recovery."
Anyone who witnessed the collision and can help the police investigation is asked to contact officers on the force's website, west-midlands.police.uk or by calling 101 quoting log 2788 of November 8.
