There's an investigation after a woman was raped at a premises at the junction of Velyn Avenue and the A259 Bognor Road.
It happened at about 7.30pm on Monday (Sept 19).
The suspect is described as a white man in his 50s with dark hair, wearing a blue jacket. He is believed to have spoken with an Eastern European accent.
Witnesses and anyone with relevant CCTV in the area is asked to report it to Sussex Police online or call 101 and quote Operation Mountain.
More information and guidance to victims of rape or serious sexual offences is available on the Sussex Police website.