Police investigating an assault in Bradford have released images of three men they would like to speak to in connection with the incident.
The 23-year-old male victim was driving a black Peugeot 308 which was initially in collision with a silver VW Golf at about 5.45pm in Manningham Lane on 6 June.
The victim was driving away from Bradford towards Oak Lane, when the Golf hit his vehicle again.
A Vauxhall Astra then stopped at the scene, where an altercation occurred and the victim was punched him in the head before both vehicles drove away.
The victim suffered serious facial injuries. 
A 21-year-old man was arrested and later released on bail pending further enquiries.
Detective Constable Hannah Mansell, of Bradford District CID, said:
"These males were seen in the area at the time and it is possible they will have more information about what happened."
Anyone with information is asked to contact DC 5931 Mansell on 101, quoting crime reference 13160241901, or to contact the independent charity Crimestoppers, who can be contacted anonymously on 0800 555111.
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