A 19-year-old man was punched repeatedly in the face by a unknown man who got out of a car which had pulled up next to him in Cowley.
The attack happened in James Wolfe Road on Tuesday at about 1pm.
The car was a dark blue Peugeot and the attacker was Asian, in his 40s, with slicked back hair and a bald patch.
Anyone with information should call police on 101.
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