Shadow Transport Secretary Maria Eagle has told Daybreak that the Government's plan to prioritise a new ownership deal for the East Coast mainline is "a bit of an odd choice".
"Competition has failed twice in spectacular fashion" on the East Coast franchise, she said, "now that [they] are putting that right, returning money to the treasury, returning money to the taxpayer, improving services... why is it a priority?"
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The district's director of homeland security has said officials are planning for 800,000 to 900,000 people to attend the ceremony.
The Supreme Court is set to decide on whether disabled travellers are legally entitled to have priority use of wheelchair spaces on buses.
There will be some brightness, with the best of the sunshine towards the south and southeast where it will again be chilly.