Some 40 people have been treated in the UK following a chemical leak at a holiday park swimming pool.
Emergency services were called to the Wild Duck Holiday Park in Belton near Great Yarmouth in Norfolk on Sunday at 14:35 British Summer Time after a chemical leak there, the state-run BBC reported.
Police said the entertainment complex was evacuated but the pool was declared safe at about 17:30 BST.
Norfolk Fire Service said vehicles including an environmental protection unit dealt with a chlorine leak.
An East of England Ambulance Service spokeswoman was quoted in the report as saying that swimmers had been treated for breathing and asthma problems. Eight were taken to hospital in a stable condition