Arrested former Mayor of Batticaloa Shivageetha Prabhakaran and three others were remanded.
Nine suspects including the former Mayor were arrested yesterday over charges of running a brothel house.
The nine suspects included the husband of the former Mayor, and he with four others were released on bail.
Police said the former Mayor has carried out the illegal business over a long period of time. Batticaloa police said she was arrested in a hotel owned by her.
She served as the Mayor in Batticaloa from 2008 to 2013.