The United States Congress has reportedly launched a probe after a shipment of sensitive F-35 fighter jet parts was said to have been unexpectedly diverted to Hong Kong and went missing, with the city’s authorities declining to comment on the case.A spokesman for the Hong Kong government said over the weekend that it would not comment on individual cases, a day after US media outlet Politico published the report.Citing three anonymous sources, Politico said the F-35 parts were shipped from...