Nine people were rushed to hospital after falling ill at a pub in Belfast last night.
Emergency services were called to The Morning Star in Pottinger's Entry in the city centre at 6.45pm on Tuesday night, June 4.
It is believed the causalities began feeling ill after breathing in cleaning fumes in the kitchen area of a pub, Belfast Live reports.
On Tuesday night, The Morning Star posted on Facebook: "Thanks for all the messages of concern. Those affected were treated as a precaution and happy to say no major issues.
"Sorry to all our great customers who we had to ask to leave this evening, as the emergency services dealt with the issue.
"Business as usual tomorrow and as an apology all pints £3."
Last night a spokesperson for the Northern Ireland Fire and Rescue Service said: "The Northern Ireland Ambulance Service requested the assistance of the Northern Ireland Fire and Rescue Service, relating to an incident at a public house in Pottinger's Entry, Belfast at approximately 6:45pm this evening.
"Employees within the premises had reported feeling unwell due to breathing in fumes. The NIFRS proceeded to evacuate the premises and entered wearing breathing apparatus to ventilate the building and take a reading on a gas monitor.
"It was determined that the fumes may have resulted from the mixing of cleaning chemicals to clear a blocked sink in the kitchen area of the property, no gas was detected.
"Nine casualties have been transported to hospital by ambulance and the property has been handed back over to the responsible person."
It is understood the casualties were taken to Belfast's Royal Victoria Hospital for treatment and are all in a stable condition.
