A man robbed a shopper of his mobile phone and cash.
Police are appealing for witnesses after the incident in High Street, Littlehampton, on March 28 at 3.45pm.
The victim was outside Peacocks and Sainsbury's when he was approached and robbed.
A 47-year-old from Littlehampton has been arrested on suspicion of robbery and bailed until May 21 while investigations continue.
Anyone with information should contact police on 101 quoting serial 982 of 28/3.