A 34-year-old man has been arrested on suspicion of drug driving over a crash which left a motorcyclist with serious head injuries.
The crash happened just before 8.25am yesterday (Wednesday 16 March) on the A259 Wellington Road, in Portslade, by the traffic lights at the bottom of Church Road.
Emergency services were called to a collision between a blue VW van and the 25-year-old Brighton man riding a motorcycle.
The A259 was closed in the immediate vicinity for the incident to be attended to.
A 34-year-old man, from Southwick, was arrested on suspicion of causing serious injury by dangerous driving and driving under the influence of drugs over the specified limit.
After being interviewed he was released under investigation while inquiries continue.
The motorcyclist suffered serious head injuries.
Detective Sergeant Rob Baldwin, of the Surrey and Sussex Serious Collision Investigation Unit, said: “If you were in the area at that time and saw anything of what happened, or if you have any dash camera footage, please contact us via collision.appeal@sussex.police.uk or by calling 101, quoting Operation Hadleigh.”