The Guinness Storehouse in Dublin was evacuated earlier this afternoon due to a technical fault.
Visitors were escorted out of the building at around 1 o'clock this afternoon.
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A spokesperson has said "As per our safety procedures the building was fully evacuated and then shortly afterwards the visitor experience reopened."
There were roughly 1,200 people in the building at the time of the evacuation.
The building was evacuated for around one hour.
The Guinness Storehouse is Ireland's most popular tourist attraction, with 1.7 million people passing through its doors last year.