The father of a girl who died at a level crossing said that work being carried out to make crossings safer is "encouraging".
Speaking to Daybreak Chris Bazlington said: "Network Rail still I don't think are there yet, they're doing a lot more than they were before, and that's encouraging.
He added; "These stories which keep coming out are worrying."
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Accompanied by the Duke of Edinburgh, the Queen will attend the opening ceremony of the fifth session in the Holyrood chamber.
Ms Leadsom has received the backing of Ian Duncan Smith, the former work and pensions secretary.
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