Chancellor George Osborne has reached an agreement with all his Cabinet colleagues over the extent of cuts to their department's budgets.
Over the weekend, Defence Secretary Philip Hammond and Business Secretary Vince Cable settled on the extent of their departments' contributions to the £11.5 billion of cuts for 2015/16, which are set to be announced on Wednesday.
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Guillier conceded a "severe defeat" defeat to his supporters as the result came in.
The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.