Greg took a training session at the Eldon Square shopping centre as part of the launch event.
He won gold at London 2012 long jump and says now it's his turn to inspire others.
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A 19-year-old student at Northumbria University has died from meningitis.
The company's CEO said its Sunderland plant would lose competitiveness if Brexit leads to them having to pay import EU tariffs
British Steel, has announced that it is on track to return to profit for the financial year ending 31 March 2017.