Police are appealing for witnesses after a 36-year-old man was punched repeatedly in the face in Crawley.
The incident took place outside Morrisons, in Broadfield Barton, at about 6.30pm on Monday (March 10), said Sussex Police.
The man was treated for facial injuries at Crawley Hospital before being released later that evening.
A 30-year-old man was arrested on suspicion of assault.
He was questioned before being released on bail until April 26.
Detective Constable Phil Peadon said: “I need to speak to anyone who was close to the shops at around the time the attack happened.
“If you saw or heard anything, please get in touch with me.”
Anyone with information should call 101 quoting serial 1334 of 10/3, email email@example.com or call the independent charity Crimestoppers anonymously on 0800 555111.