Police in Ho Chi Minh City have arrested a captain of a Vietnamese airline, along with his lover, alleging their involvement in operating a prostitution ring catering to affluent clients, charging them thousands of U.S. dollars per sex session. The municipal public security department said on Sunday that they had detained 42-year-old Nguyen Tran Cao Nguyen, a captain of a Vietnamese airline, whose name has yet to be announced, for investigation on charges of prostitution harboring. From the testimonies of the two women, police officers detained captain Nguyen, who joined his lover Ly in running the prostitution racket. Ly told investigators that she and Nguyen set up the ring after they closed down their restaurant in District 1. The police department has urged suspects implicated in the prostitution ring to voluntarily surrender to police officers promptly, offering the prospect of leniency in return.