Delays of up to one hour on CrossCountry between Birmingham New Street and Glasgow Central, and between Newcastle and Reading due to flooding at Darlington.
There is no current estimate for when a normal service will resume. Also affecting East Coast and First TransPennine Express services.
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The win rekindle's the Black Cats' survival hopes and pile the pressure on United manager Louis van Gaal.
Eddie Hall, 41, had been working as a chef in Ho Chi Minh City for over a year but was reported missing in January.
Feeling cold with wintry showers. Overnight frosts. Warnings of snow and ice issued