The Taliban often falsely claimed responsibility for the deaths of Nato forces, Foreign Secretary William Hague has said, following the deaths of five British soldiers in southern Afghanistan. Mr Hague told Sky News' Murnaghan programme:
This appears to have been a tragic accident, although it is still being investigated. It is a reminder of the work that our troops still do in Afghanistan.
Of course at the end of this year we will come to an end of the combat role, or having our troops there in any significant numbers. But the work that they do is still dangerous, it is still very valuable in Afghanistan.
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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.