Police today pleaded for help tracking down na alley way sex pest in Hampshire.

It comes after a 22-year-old woman was walking alone along an alleyway in Chandler's Ford, when a man approached from the opposite direction.

He stopped then exposed himself to her and performed a sex act.

She walked away but was left upset and distressed by the incident, which happened on Tuesday between 6.15pm and 6.45pm in the alley from Pine Road to Hiltingbury Recreation Ground.

The man is described as white, in his mid-40s, 5ft 10in, of medium build, with greying hair and facial stubble and was wearing three-quarter length khaki coloured trousers and a grey t-shirt.

Police, who say the area is popular with dog walkers, are making further enquiries and have increased patrols to reassure the public.

They are appealing for anyone who has information or may have seen someone fitting this description to call Eastleigh Police