According to authorities, the victim, a 36-year-old woman, was riding a southbound C train approaching the Lafayette Avenue station when she asked the suspect for directions. The suspect then told the victim to follow him off the train so he could give her directions.
As the two exited the train, the victim followed the suspect up the stairwell, at which point he turned around and exposed his penis to the victim.
Police say the suspect then grabbed the victim and attempted to have her form oral sex on him.
Authorities say the suspect fled the scene when two MTA workers arrived. The victim was not physically injured during the incident.
The suspect is described as a man with a medium complexion, a medium build, and was last seen wearing a red baseball hat, a red t-shirt with the Nike logo on the front, black pants, and white sneakers.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the CrimeStoppers website at https://crimestoppers.nypdonline.org/ or on Twitter @NYPDTips.
Police say all calls are strictly confidential.