Toronto Police are seeking public assistance in a sex assault investigation that took place at Yonge-Bloor Station.
A woman was approached by a man in the stairwell after she was switching trains between platforms around 8:25 p.m. on Friday, September 16th.
Investigators say that there was one witness who saw what happened, but the suspect managed to get away in a crowd of people.
Officers say that the man is described as white and is between the ages of 25 to 35. He is 5 feet and 9 inches tall with a medium build and has brown hair.
He was last seen wearing a red golf shirt with navy-blue shorts and brown thong sandals.
Investigators say that they are concerned that there could be other victims.
Security camera images of the suspect have been released.
Anyone with information can call Toronto Police at (416) 808-1400 or Crime Stoppers at (416)222-TIPS.