The family and loved ones of two police officers shot and killed in Manchester arrived at court amid high security.
Pc Nicola Hughes and Pc Fiona Bone were killed in a gun and grenade attack last year.
Dale Cregan is charged with their murder and his trial is due to start at Preston Crown Court today.
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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.