Earlier this month Irish police intercepted a suspected dissident republican haul of rocket launchers and explosives in Co Tipperary.
It is believed the arms were en route to Northern Ireland.
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Despite the use of combustible cladding in tower blocks, ministers were advised that regulations were tough enough, ITV News has learnt.
A milder night across the north than last night, with rain sneaking into southern Scotland from Northern Ireland.
The singer, 31, said on Twitter that she and her partner Jonathan Powell were grieving their loss.