Robert Oxley, campaign manager for the Taxpayers' Alliance, believes the Government is "cherry-picking" its figures for HS2 and is creating a "fake boogeyman" by claiming that the alternative - upgrading the current network - would mean years of disruption.
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Corbyn's opponents present the Virgin Trains saga as a question of integrity but supporters will see him taking on a corporate giant.
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Fire officials said two girls, aged four and six, and a three-month-old toddler died in the fire.