
Twelve children and one adult were hospitalised in Dublin, Ireland, following exposure to toxic fumes at a hotel swimming pool during a swimming lesson. The incident occurred at the Clayton Hotel Liffey Valley when an accidental chemical reaction released harmful vapours into the aquatic area. Emergency services, including the Dublin Fire Brigade, were quickly dispatched to the scene to manage the situation and provide immediate medical assessment for those involved. The respiratory emergency was triggered by the incorrect mixing of chlorine with another chemical substance, which immediately produced toxic fumes. A total of 23 individuals were medically assessed by first responders on-site. While some were cleared after initial evaluation, 13 people—consisting of 12 children and one adult—required more intensive care and were transported to local hospitals for treatment. Witnesses reported that the victims experienced various degrees of respiratory distress and coughing after the accidental release. In response to the accident, the Dublin Fire Brigade isolated the chemicals and ensured the area was properly ventilated to restore air quality. The management of the Clayton Hotel Liffey Valley has launched a formal investigation into the circumstances surrounding the chemical handling error. The hotel expressed its concern for the well-being of the affected children and their families, stating that safety remains a top priority as they review their operational procedures to prevent future occurrences.