Detectives have renewed their appeal for information about an incident which saw a police officer seriously injured on the A5, near Lichfield.
Their colleague is still recovering from the serious leg and chest injuries he sustained last November 29.
Detective Inspector Dan Ison said the officer had pursued a suspect HGV skip wagon along the A5 between Wall Island and Weeford Island.
When the lorry stopped the driver got out and fled. The 39-year-old policeman gave chase.
The suspect then confronted him, threatening to hit him with a fallen branch.
Trying to keep his distance, the officer stepped backwards towards the road and was involved in a collision with a passing vehicle.
Meanwhile the suspect pulled the driver out of a Ford Fiesta caught up in the ensuing traffic jam and made off in it.
The vehicle was later found abandoned near the Pelsall Social Club.
DI Ison, said the injured officer’s was hurt so badly it was not known if he would be able to return to frontline duty.
He appealed to anyone with information about the suspect to get in touch with the police.
The man is described as white, well built, around 6ft-tall and in his late 20s.
He was wearing a black jacket with a hood and black baseball cap.
A second suspect was also on board the lorry.
Ran for it
He got out of the passenger side and ran across fields at the side of the A5.
He is described as white, in his late 30s to early 40s and around 5ft 11ins-tall
He was said to have a round face, small eyes and facial hair.
He was wearing a black hoodie and a dark beanie style hat rolled up above his ears.
People with information that might help catch these two men are urged to call the police on 101, quoting incident 583 of November 29.
Information can also be given anonymously via Crimestoppers ,on 0800 555 111, or via the charity’s online form.