MANDURAH police are looking for witnesses to an indecent act at a Secret Harbour beach car park at the weekend.
A woman told police a man was masturbating in his car at the Secret Harbour Beach car park on Saturday, November 4.
Police believe there were other cars in the car park at the time and that there could be other witnesses.
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READ NOWPeople who have seen people performing similar acts in this car park or in the area are encouraged to call police.
Secret Harbour Beach is popular with local families and surfers.
Police would like people who saw the act to call 9581 0222.
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