The L9 Bar mines - a form of anti-tank landmine - contain explosives but need extra components to make them capable of detonating.
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Transport Secretary Chris Grayling reportedly wants the publicly-owned firm to share responsibility for running tracks with private firms.
Attorney General Jeremy Wright QC said High Court ruling dismissed the public's referendum vote as 'merely' a political event.
Northern and eastern areas will see a touch of frost at first, but most places will see sunshine.