Six girls aged between 12 and 14 years old were the victims of a flasher in Milton Keynes.
They were standing in an underpass below the H7 Chaffron Way, which runs from Milton Keynes college to Oldbrook, when a man cycled past them exposing himself.
The victims challenged him and he then cycled away towards Oldbrook.
The offender is a white man of slim build aged between 25 to 40 years old with short grey hair. He wore a hooded jumper with a small white emblem on the left breast, white boxer shorts and was riding a black mountain bike.
Anyone with information should contact PC Daniel Gidman on 101.
If you don’t want to speak directly to the police, you can contact Crimestoppers anonymously on 0800 555 111.
No personal details are taken, information is not traced or recorded and you will not go to court.