TWO schoolgirls have been flashed by a man as they walked along a Melbourne train station underpass in Australia.

Clear, CCTV images have been released and the police say the man flashed his genitals and committed an indecent act in front of two girls aged 13 and 14 at East Camberwell Station about 10 past eight in the morning, on April 26.

The girls were walking near East Camberwell train station about 8.10am on April 26 when a man wearing a grey Gracie Jiu-Jitsu University hooded jumper, black tights, black shorts, bright pink sneakers and black sunglasses flashed them.

The man then began to touch himself inappropriately before walking south along the train line towards Griffin Street.

The man is aged in his 20s and about 178cm tall, with dark hair that is shaved at the sides.

Anyone with any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report to www.crimestoppersvic.com.au