Armed police were called to Selsey after a reported sighting of four men with guns on Sunday afternoon (May 12), Sussex Police has revealed.
Police said a search was made in the area by armed officers at around 3pm.
A spokesman said: "Police were called around 3pm on Sunday to reports of four men seen with guns.
"A search was made in the area by armed officers, however no-one was found. Enquiries are ongoing."