London Olympic pool evacuated, 29 hospitalized after gas leak

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About 200 people had been evacuated from the Queen Elizabeth Olympic Park’s aquatics center, responders said.

“Due to a chemical reaction a high quantity of chlorine gas was released,” the London Fire Brigade said in a statement, asking nearby residents to close their doors and windows while the facility was ventilated.

Park administrators said earlier that “there are a number of casualties with breathing difficulties” who were under the care of ambulance workers.

What we know about the leak

The Aquatics Center’s management said the chlorine gas release occurred “when the facilities management company that operates the plant room took delivery of pool chemicals.”

The incident was first reported at about 1000 UTC.

Chlorine is normally safe when added to swimming pools to kill bacteria. However, chlorine in gas form is highly toxic.

The Queen Elizabeth Olympic Park was built for the 2012 Olympic Games and was opened to the public in 2014.