Nuclear weapons: an accident waiting to happen

In July 1956, a plane crashed in Suffolk, nearly detonating an atomic bomb. In January 1987, an RAF truck carrying hydrogen bombs skidded off a road in Wiltshire. Other near-misses remain top secret. Who is really at risk from Britain's nuclear weapons?

http://www.theguardian.com/world/2013/sep/14/nuclear-weapons-accident-waiting-to-happen