Matthew Livelsberger served in the Green Berets, highly trained special forces who work to counter terrorism abroad and train partners.

Former deputy prime minister Sir Nick Clegg said his time with Facebook’s parent company had been the ‘adventure of a lifetime’.

The county’s police say Callum James Andrew Charlton, 27, of no fixed address has connections to Harrogate and Durham. A police spokesman said: “Charlton is currently wanted by police for breaching ...