A man needed 15 stitches to his face after a vicious attack in Eastbourne town centre.
The 22-year-old was left with a cut face, broken nose and swollen eyes, injuries police have described as "hideous".
The attack was so severe that the victim suffered partial memory loss as a result.
It happened in the Seaside Road and Terminus Road area between 11pm on Friday and 2am on Saturday.
The injured man was treated at Eastbourne District General Hospital.
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