Floods have caused a wall to collapse on the West Coast Mainline at Caldew Maltings, near Carlisle.
A pylon carrying overhead cables has also become unstable.
All rail services north of Carlisle are currently suspended because of flooding.
More top news
An ancient stone circle, some parts of Hadrian's Wall and the entire town of Appleby are considered 'at risk'.
The Duke of Edinburgh toured the nuclear plant today, to see the scale of the clean-up challenges facing workers.
A conwoman tricked a widowed man in his 70's, into what he thought was a genuine relationship and then plundered his bank account.