Five unanswered questions over horror Bedford train crash – from ‘signal failure’ to ‘dead man’s pedal’

QUESTIONS are mounting over the Bedford train crash that killed one of the drivers and left 100 people injured in one of the UK's worst rail disasters in the past two decades. The rush-hour collision took place just outside the town on Friday at around 5.15pm, when a Luton Airport Express service rammed into the...