Disruption on East Coast between Kings Cross and Berwick-upon-Tweed, and between Kings Cross and Leeds due to adverse weather conditions.
Tickets being accepted on First Capital Connect, First Hull Trains and Grand Central services.
Northbound trains between York and Darlington are subject to delays of up to 40 minutes.
All other East Coast services in England are liable to delays of up to 30 minutes.
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The longest general election campaign in modern history begins with the dissolution of Parliament today.
The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.