Pakistan, July 15 -- The Federal Investigation (FIA) has started an investigation into the disappearance of 12 Pakistani youths in Iran, as authorities move against the suspected human smuggling network behind the case. According to reports, the FIA's Anti-Human Trafficking Circle in Lahore has registered a case and formed a special investigation team. The said raids are being carried out to arrest the suspected agent, while contacts will also be made with relevant authorities abroad to help trace and recover the missing youths. Officials said all available resources would be used to ensure the safe recovery of the missing Pakistanis. Seven of the 12 missing youths belong to Paseen village near Jallo Mor in Lahore. They include three cous...