Three women were arrested in a flat at Block 664C Jurong West Street 64 that was suspected to be used as a brothel during police raid on Oct 31 at 3.03pm.
According to The Straits Times, the trio, aged between 34 and 48, are believed to be from China.
Condoms and lubricants were seized from the four-room flat. Other items found in the home included two mattresses and a clothes rack with more than 30 towels hanging out to dry, reported Shin Min Daily News.
Before the raid, three men were seen entering the flat in the span of an hour. One left after 15 minutes.
Said a police spokesman in response to a Stomp query: "Police confirm that an operation was conducted on Oct 31, 2017, at 3.03pm at Block 664C, Jurong West Street 64.
"Three women were arrested for an offence under the Women's Charter.
"Police investigations are ongoing."