A man has been stabbed in the neck following an argument with a fellow motorist in Bordesley, Birmingham.
The victim, who drove a red Peugeot 206, became involved in a dispute with another driver in Watery Lane Middleway at lunchtime on Tuesday.
A third driver - thought to be Asian - became involved and stabbed the Peugeot driver before driving from the scene in a silver car.
The victim, aged 40, is in a serious condition in hospital.
Police are appealing for any witnesses and want to trace the driver of a blue 4x4 vehicle who may have taken down important details following the incident.