https://www.theregister.co.uk/2018/06/14/rolls_royce_engineer_spy_china_arrest_allegations/

A former Rolls-Royce engineer has reportedly been arrested on suspicion of breaching the Official Secrets Act by allegedly handing British F-35 engine secrets to China.

Rolls-Royce's one-time chief combustion technologist Bryn Jones, 73, was arrested at his Derbyshire, UK, home by the Metropolitan Police's Counter Terrorism Command on Tuesday.