A woman kicked the wing mirror off a parked car in Northampton, and was then chased off by taxi drivers.
The incident happened in College Street, at about 1.30am on Thursday, February 23.
A woman kicked the wing mirror off a blue Vauxhall Zafira taxi. Northamptonshire Police said the driver intervened and was joined by other taxi drivers who chased the woman away along Castle Street.
The offender is described as white with dark hair and a slim build, wearing a grey or brown tracksuit. She was accompanied by a woman with a larger build who was wearing a white tracksuit.
Anyone with information can contact Northamptonshire Police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111