Police want to trace a flasher who exposed himself at in a Doncaster park.
He struck in the Glass Park, off Moor Lane in Kirk Sandall, as a 69-year-old woman was walking her dogs.
The offender was white, 50 to 60 years old, of a large build and had receding brown hair.
He was wearing a dark coloured tracksuit.
Police have increased patrols in the area.