A man sexually assaulted a sleeping woman on the Q train, police say.
The incident happened Oct. 16 on the Q train near the Church Avenue station around 1:20 a.m.
Police say the suspect rubbed his genitals on the shoulder of a 55-year-old woman as she was sleeping on the train.
The victim woke up and the man ran westbound out of the station onto Church Avenue.
Police have released surveillance video of the suspect.
Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.