Police are appealing for witnesses following an alleged assault on Tuesday November 1, Melbourne Cup Day.

A 28-year-old woman was walking with a man along Princes Bridge at around 9pm before he assaulted her.  The victim then began walking towards the CBD before she was located and taken to hospital.

Police interviewed a 27-year-old man alleging reckless injury, however he was released pending summons.

Anyone with any information is urged to contact Crime Stoppers on 1800 333 000.