A signalling fault caused delays from Peterborough train station earlier this afternoon.
LNER services are now able to run as normal, however Network Rail say that trains running between the city and Grantham may still be delayed by up to 20 minutes.
Disruption was expected to continue until 5.15pm, confirmed Network Rail.
What routes are affected
Between London Kings Cross and Lincoln / Leeds / Harrogate / Bradford Forster Square / York / Newcastle / Edinburgh / Aberdeen
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