Delays of up to 40 minutes on East Coast between Leeds and Skipton due to emergency services dealing with an incident at Micklefield.
There is no current estimate for when a normal service will resume.
Also affecting CrossCountry, First TransPennine Express and Northern Rail services.
More top news
Sam Lavery, 17, from Coxhoe will compete in the third week of The X Factor competition this weekend, and it's Diva Week.
Campaigners have chained themselves to railings in Gateshead this morning, to protest against benefit sanctions.
A section of Hadrian's wall and four other conservation areas have been added to Historic England's 'Heritage at Risk Register'