Man sought over indecent assault in Sydney

A teenage girl has told police she was indecently assaulted at a Sydney train station.

The 15-year-old girl was at Campsie railway station on Sunday morning when she alleges the man approached her from behind and assaulted her.

She reported the incident to station staff who contacted police.

The man is believed to be aged between 35 and 55, and was last seen wearing a Seattle Seahawks shirt and blue pants.

Police are urging anyone with information about the incident to contact Crime Stoppers on 1800 333 000.