POLICE say a woman in her 20s was indecently assaulted on Herdsman Parade, Wembley about 11am on Monday.
The woman was sitting at a bus stop when a man approached her and attempted to talk, but the woman did not reply.
Police said he touched her in an indecent manner after he was asked to leave, and then walked off.
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READ NOWHe was described as unshaven with tanned skin, aged in his late 20s to early 30s, about 175cm, with dark hazel eyes and black curls on his fringe.
He wore a black hooded jacket, dark shorts, a black cap and yellow and grey training shoes.
Police said the man left in a silver vehicle, possibly a Mitsubishi Magna or similar model vehicle.
Police have released an image believed to be of the man.
Anyone with information should contact Crime Stoppers on 1800 333 000 or make a report online.