Four youths set upon a 22-year-old man in Seaford in an unprovoked in the early hours of Saturday morning (March 29).
Sussex Police are appealing for witnesses following the assault which took place in Broad Street between Sutton Park Road and Place Lane between 1am and 1.30am.
The victim was punched and kicked. He was treated for minor injuries at the Royal Sussex County Hospital in Brighton.
His attackers were described as white and aged around 15.
The first was between 5ft7 and 5ft8. He was of slim build and with possible blonde hair.
He was wearing a hooded top and jeans. The second was 6ft, of slim build and with short dark black hair. He was wearing a smart casual hooded jumper and jeans.
The third was between 5ft7 and 5ft8, of slim to medium build and with short light brown hair. He was casually dressed. The other was of slim build and casually dressed.
Anyone who witnessed the incident or has information about the suspects is asked to call 101 or email firstname.lastname@example.org quoting serial 146 of 29/03. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.