Singapore Police Force (SPF) arrested a 45-year-old man in a case of outrage of modesty that happened at Bugis MRT station.
The woman reported that she was molested by the man when she took the train on Sep 3.
Officers from Jurong Police Division established the identify of the suspect after extensive investigation with the aid of CCTV footage.
Investigation are ongoing.
If found guilty, he may face up to two years in prison, a fine, caning, or any combined punishment.