A team of rail engineers at Newcastle University has devised cheap and simple ways of reducing the deadly impact of terror attacks on trains and metros.
The engineers studied the devastation caused by similar bombings like the Madrid and London 7/7 bombings.
They have developed a range of blast-resistant designs, looking particularly at reducing debris and containing explosive shock waves.
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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.