Elderly woman sexually assaulted at train station

An elderly woman using a walker has allegedly been sexually assaulted at Aspendale Railway Station in Victoria.

The 87-year-old told police she was holding a walker and waiting for a train on the platform at Aspendale Railway Station when a man called out to her and asked if she wanted money.

The woman declined but the man approached her and kissed her on the cheek before sexually assaulting her.

The woman then broke free and boarded the train.

Police are searching for the offender who boarded a Frankston-bound train and got off at Carrum Railway Station just before midday on September 22.

They have released images of the alleged offender who is described as Caucasian in appearance, with facial hair, brown hair and a medium build.

He was wearing a black jacket and blue jeans at the time of the offence.

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