Maria said the company told her it could not be sure that what the man did was considered molest, and it would take further action only if he was found guilty in court.
Mr Tan Hee Joek, a partner at law firm Tan See Swan & Co, told TNP that groping amounts to outrage of modesty, a serious offence that carries a jail term of up to two years, a fine and/or caning.
The former deputy public prosecutor added: "Legally, the evidence will depend on the accounts of the alleged victim and the witnesses. It will also help if there is other evidence like CCTV footage."