Workers on an industrial estate in Flintshire have been taken to hospital following a chemical leak.
According to the BBC, 22 people are treated for vomiting, eye infections and breathing difficulties, with 11 being transferred to hospital.
The incident happened yesterday when a chemical drum leaked while being moved.
A spokesman for the Welsh Ambulance Service told said: "Twenty-two patients were decontaminated at the scene of the incident following concerns over possible chemical inhalation.
"Ambulance crews transported seven patients to the Countess of Chester and four to the Wrexham Maelor for further hospital treatment."
The substance has not yet been identified, though the Welsh Environment Agency confirmed that the drum has now been taken away for analysis.
It is unlikely to have a major environmental impact on the area, an agency spokesperson said.
In related news, the Birmingham Post has reported that police are investigating the possibility of a chemical leak at the city's Bullring shopping centre.
