The RMT Union has confirmed that cleaners on the East Coast Mainline and the Tyne & Wear Metro are striking for 48 hours.
The cleaners are in dispute with their contractors over their pay and conditions.
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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