Hong Wang, top left, Xiaoxia Lin, bottom left, and Hanfeng Zhang, right, were charged in the case Credit: via Montgomery County police

Montgomery County police arrested a man and two women on human trafficking and prostitution charges after investigating activities at four massage parlors in the Gaithersburg area.

Police announced Friday evening that Hong Wang, 56, Xiaoxia Lin, 42, and Hanfeng Zhang, 55, all of Germantown, were arrested as part of the investigation.

Police identified two women who were being housed in an apartment on Clopper Road in Gaithersburg that were driven by Lin to the four massage parlors to work. Police said the women are believed to be from New York. Workers at the parlors told detectives that women employed at the parlors would provide sexual services to male customers.

Two of the massage parlors are at 966 Hungerford Drive, another is at 7246 Muncaster Mill Road and the fourth is at 28 South Frederick Ave. They are owned and/or operated by Lin, Wang and Zhang, according to police.

Police are continuing to investigate the activities at the massage parlors and said other people may be charged with crimes in the case and there could be other victims. Police are asking anyone with potential information to call 240-773-5959.