QUETTA, Sept 14: Armed men freed three prisoners of the Quetta District Jail being taken by police to Nushki in a van on Thursday to produce them in a court. According to official sources, police were taking the prisoners to Nushki for hearing in an arms case. Muladad, Rehmatullah and Haji Janan, an Afghan national, were also involved in drug trafficking and a court had awarded them 25-year rigorous imprisonment.