A man was today being questioned by the RUC about the huge car bomb loyalists abandoned in a packed seaside town in Northern Ireland.
The fully primed device was defused by army explosives experts in Ballycastle, Co Antrim, on Tuesday as over 100,000 people were attending the town's famous Auld Lammas Fair.
The Red Hand Defenders, a cover name used in the past for Ulster Defence Association and Loyalist Volunteer Force attacks, claimed it had left the bomb.
But security sources believe members of the Ulster Volunteer Force were responsible.
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An RUC spokesman confirmed a man had been arrested and was being questioned about "very recent serious crimes in Ballycastle".
Two pipe bombs, left at a hotel and a pub in the town, were defused yesterday.
PA