Overhead line problems between Grantham and Peterborough are affecting East Coast services.
Passengers planning to travel through this section of the East Coast Main Line are urged to wait till tomorrow.
All East Coast tickets dated for travel today will be accepted tomorrow.
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A weather warning of fog at Heathrow has led to the cancellation several flights between Newcastle and London tomorrow.
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Gardens in North Yorkshire have made the latest list of "intriguing" protected historic sites.