Police are investigating two incidents of sexual assault in the St Kilda area dating back to late last year and early this year.

In the two incidents on December 26 2022 and January 8 2023, a man is believed to have exposed himself to young beachgoers.

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He is described as Caucasian, aged in his 50s with a solid build, bald head and grey beard.

Anyone who recognises the man or has any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au

Images: Victoria Police