A 14-year-old girl was touched on the neck and arm by a man before he was scared off by passer-by in a car.

The incident took place near Rickmansworth Aquadrome, shortly before 5pm yesterday (March 28).

The girl was uninjured and police are investigating.

Police do not have a description of the man at this time.

Three Rivers Chief Inspector Nick Lillitou, said: “I understand this will have caused alarm to the public and I would like to reassure you that we are doing all we can to trace the offender and have increased patrols in the area and around local schools.

"We would be particularly keen to trace the person who drove past, so if this was you please do get in touch.”

If you saw what happened, or have information about the incident, call the non-emergency number 101 quoting crime reference 41/28635/19