Police are appealing for witnesses and the victim of an attempted robbery in Great Holm to come forward.
A third-party report was received that a teenage boy had threatened a driver, believed to be of a taxi, with a screwdriver with the intention to rob them on Kensington Drive.
The incident happened sometime between 4.10pm and 5.10pm on Saturday, October 18.
A 16-year-old boy from Milton Keynes has been arrested on suspicion of attempted robbery, and released on police bail until January 7.
Police say they are trying to identify the victim to ensure they have come to no harm and wish to speak to any witnesses or anyone with information.
Anyone with a dashcam who was driving in the area at the time, or anyone with cameras in the area that could help the investigation is asked to get in touch through 101, quoting reference number 43250537505.