Police release images after woman was assaulted at train station

Police have released images of a man wanted for questioning over the sexual assault of a woman at a Brisbane railway station.

Detectives said a man followed the woman for a short distance at Fairfield station about 10am on Thursday, October 8.

The woman, aged in her early 20s, walked past the man on her way to the station.

The man attempted to touch the woman, who pushed him away and asked him to stop, police said.