29 hospitalized after London Olympic pool chlorine gas leak
Emergency services outside the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services outside the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 09:45 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 09:40 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:49 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 09:39 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London.(AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London.(AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:45 AM EDT
Members of the London Fire Brigade outside the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London.(AP Photo/Alberto Pezzali)

Members of the London Fire Brigade outside the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London.(AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:48 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (Kirsty O'Connor/PA via AP)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (Kirsty O'Connor/PA via AP)

Mar. 23, 2022 08:30 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:49 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:47 AM EDT
Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Emergency services near the Aquatics Centre, at the Queen Elizabeth Olympic Park, following a gas-related incident causing the area to be evacuated and cordoned off, in London, Wednesday March 23, 2022. A swimming pool in London’s Olympic park has been evacuated and several people were treated by ambulance workers after an incident involving a “release of gas.” The Queen Elizabeth Olympic Park in east London was built for the 2012 Games in London. (AP Photo/Alberto Pezzali)

Mar. 23, 2022 08:46 AM EDT