Tony Blair is on Tyneside to visit a sport complex in Gosforth which has benefitted his from foundation.
He met with volunteer coaches at Newcastle Cricket Centre.
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The male driver of the motorcycle was pronounced dead at the scene. A driver of another vehicle was taken to hospital.
The warning from NHS England comes two days after Theresa May raised the UK's terror threat level to "critical".
A look ahead at the forecast for the Tyne Tees region.