North Wales Police are appealing for information following a report that a man assaulted a girl as she was playing with friends in a park in Shotton, Deeside.
The incident happened at around 8.45pm on Tuesday August 13 on a the playing field along Shotton Lane, near the Edward Morgan Primary School when the 10 year old was playing hide and seek with friends.
A man is understood to have grabbed hold of the child as she was hiding in the bushes, but fled after she called for help.
A dog walker is also believed to have disturbed him.
The suspect is described as an adult with brown, grey hair and a beard.
DI Eleri Thomas said they carried out an immediate search and will maintain reassurance patrols in the area.
North Police are appealing to anyone who saw an individual matching the description, or may have seen suspicious males loitering in the area in recent days to call 101.