A brothel operating under the guise of a massage parlour at Fonseka Place, Bambalapitiya was raided last evening by the Police Organised Crimes Investigation Unit, the Police said.
Four females aged 30, 38 and 48 had been arrested.
A 47-year-old woman who was managing the business had also been arrested, the Police said. The suspects are to be produced before the Hulfsdorp Magistrate today.