Lines have now reopened following a trespass incident between London Paddington and Heathrow Terminals.
There is a fault with the signalling system in the Newark North Gate area, closing all lines at this station.
A fault with the signalling system between Crewe and Nantwich means that trains have to run at reduced speed on all lines.
Engineering work taking place between York and Doncaster has overrun, closing all lines between these stations.
Trains are now returning to normal after a passenger was taken ill on a train at Dinting. Whilst services resume, trains running through this station may still be cancelled or delayed by up to 15 minutes.Disruption is expected until 10:00.
A fault on a train at Carnoustie means trains between Aberdeen and Dundee may be delayed by up to 30 minutes or cancelled.Disruption is expected until 17:00.Alternative travel advice
Engineering work is taking place between London Paddington and Southall, closing some lines on Monday to Wednesday evenings.As a result:
Lines have reopened following a broken down train near Mirfield.Trains running between Huddersfield and Brighouse / Wakefield Kirkgate may still be cancelled, revised or delayed by up to 15 minutes.Disruption is expected until 17:15.
Engineering work is taking place between London Euston and Wembley Central, closing some lines overnight from Monday evening until Friday morning.
A passenger has been taken ill on a train at Rhyl, closing some lines at this station.As a result, trains running through this station may be delayed by up to 35 minutes.This incident is expected to continue to impact services until 22:45.