Delays of up to 40 minutes on CrossCountry between Leeds and York due to emergency services dealing with an incident at Micklefield.
There is no current estimate for when a normal service will resume.
Also affecting East Coast, First TransPennine Express and Northern Rail services.
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Icy first thing and windy, with wintry showers lingering further south, especially at the coast. Brighter elsehwere
Emma brings you Saturday's forecast
Longest spell of winter so far. Bitterly cold with further wintry showers