A 60-year-old man was attacked yesterday in Midsummer Boulevard at around 4.30pm.
The victim was driving his silver Vectra along V6 Grafton Gate, when a small black hatchback pulled sharply in front of him at traffic lights.
Both vehicles turned into Midsummer Boulevard, the black car stopping in the left lane and silver car stopping in the right lane. Both drivers got out of their vehicles and a verbal altercation took place followed by the assault.
The victim sustained minor injuries to his right eye, which did not require hospital treatment.
The offender is white or olive skinned, approximately in his early twenties, around 6ft tall of slender build wearing casual clothing, possibly a grey top. The black hatchback car has a partial licence plate of EF11.
Any witnesses can call police on 101 or Crimestoppers anonymously on 0800 555 111.