Police are appealing for the public to help after a woman was filmed by a man while out running on a path beside Kingsdown Road, Upper Stratton on Friday.
As she passed the man, he started to run after her while filming her from behind with his mobile phone.
The woman then confronted the man, who put his hood up and ran off in the direction of the Rat Trap pub on Highworth Road before running under the A419 bridge and into a wooded area.
The man is described as white, aged in his early 20s, about 6 foot tall with an average build.
He had brown curly hair and was wearing a navy blue zip up hooded top and black jogging bottoms and brown shoes.
Anyone who was in the area at the time who may have seen this man or who has information should call 101 quoting log 54230004405.
