Northern Ireland's Secretary of State Theresa Villers (R), British Prime Minister David Cameron (2nd R), Northern Ireland"s First Minister Peter Robinson (2nd L) and deputy First Minister Martin McGuinness (L) pose for photographs after arriving at Stormont Castle in Belfast
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Bomb found at Stormont Castle in Belfast

Army bomb experts say they have dealt with a "viable device" at Stormont Castle in Belfast.

The alert started after a suspicious package was found in the building's postroom.

Chris Buckler reports.

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