An 11-year-old-boy remians in a critical condition this evening after the car he was in crashed onto the Carlisle to Newcastle railway next to the A69.
It happened on Wednesday evening, December 5, between Greenhead and Haltwhistle in Northumberland.
The car was then hit by a freight train.
The boy was airlifted to hospital in Newcastle. A woman and a teenage boy who were also in the car suffered minor injuries.
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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.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.