Researchers at Newcastle University have found ways to lesson the impact of bombings on trains. The 7/7 London bombings in which 52 passengers died and the Madrid bombing in 2004, where 191 people were killed, show how terrorists can target the rail network with deadly affect.
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Kerrie Gosney brings you Sunday night's forecast
Cold with wintry showers overnight and on Monday.
Cold air from Canada will turn showers wintry overnight into Monday morning. Snow could settle over higher routes. Icy patches possible