Rail passengers are facing long delays on a key Scotland to London route due to a person being hit by a train.
The incident, near Darlington in County Durham, is leading to hold-ups of up to 90 minutes, with some passengers being told that the delays could last three hours.
The line between Newcastle and York is closed, with replacement buses being arranged.
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Passengers facing delays are those travelling with the East Coast, First TransPennine Express and Grand Central train companies.
The York to Newcastle route reopened in late morning, although slight delays continued into early afternoon.