A man has been arrested in connection with an assault at the Sandown Airport car boot sale on Saturday (June 26).
Police said they detained, and released under investigation a 61-year-old man from Sandown.
They were investigating an incident in which a traffic marshal at the event suffered minor injuries.
The victim is in his 50s, officers said.
The incident took place at the entrance to the airfield at the Scotchells Brook Lane and the A3056 Newport Road junction.
Officers made the arrest on suspicion of assault causing actual bodily harm.