There's been huge disruption to the Tyne and Wear Metro system after searing temperatures caused a power blow out on one of its busiest sections.
Passengers were stranded in a tunnel at Gateshead after the train they were on became entangled in overhead lines that were sagging in the heat.
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Kerrie Gosney brings you Sunday night's forecast
Cold with wintry showers overnight and on Monday.
Cold air from Canada will turn showers wintry overnight into Monday morning. Snow could settle over higher routes. Icy patches possible