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The London Ambulance Service said it was treating a number of patients at the Aquatic Centre. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/X6LUHY6ZFNWP6IV3A5A6BVNIZM.jpg?smart=true&auth=edb6985ca67f4d9e7a259bbb3bee3b48a55d2d26c75decb4c1b64f5c29560d26&width=400&height=225)
Emergency crews at Queen Elizabeth Olympic Park in Stratford, east London, after a leak of noxious fumes. Reuters
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A person is treated by paramedics after London Aquatics Centre was evacuated and cordoned off. Getty Images
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/WLDFPOMC5CTLJLGL6YNJ2AWTMU.jpg?smart=true&auth=7f77a0c0062a635efeba45e54f73d8624e21d04bbf3e71a9c5f99fdd6f13559d&width=400&height=225)
London Fire Brigade said a 'high quantity of chlorine gas' was released inside the centre due to a 'chemical reaction'. Getty Images
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FKHGW6WOMJPU7BNMZJIIBUWLJ4.jpg?smart=true&auth=b8e395515c4dc864ec01a4de2058c6fe365f77ad1222c9068dda1b55d4c66d57&width=400&height=225)
Emergency services near the Aquatics Centre. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/OM3HEKNSLFADDJGAV6PJF25FNE.jpg?smart=true&auth=4eeda2d5c61cef100e0c1bcfe239e86200b29ccf6f0e6a801e4c58f705d7c835&width=400&height=225)
A member of the emergency services speaks to a man who was forced to leave the swimming pool suddenly. Getty Images
The venue management said the incident involved 'the release of a gas', sparking an evacuation. Photo: Emma Bellot / Twitter
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A lorry carrying a tank of hydrochloric acid, parked outside London Aquatics Centre at Queen Elizabeth Olympic Park. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/KEGRXEQRLHTY6UAYUW3HKJ5DWU.jpg?smart=true&auth=1b447c0605c16a2a2b5c2a683c17eeeb8806cc1bbc6d7cda051d1187b2118c02&width=400&height=225)
The London Ambulance Service said it was treating a number of patients at the Aquatic Centre. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/X6LUHY6ZFNWP6IV3A5A6BVNIZM.jpg?smart=true&auth=edb6985ca67f4d9e7a259bbb3bee3b48a55d2d26c75decb4c1b64f5c29560d26&width=400&height=225)
Emergency crews at Queen Elizabeth Olympic Park in Stratford, east London, after a leak of noxious fumes. Reuters
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LMX7M63LAA62Q2M64VPCIFT2FA.jpg?smart=true&auth=d92f77d7adb34e3db9348dcbe17fbb471d9b7f23a18e825eb574f83e6f33974d&width=400&height=225)
A person is treated by paramedics after London Aquatics Centre was evacuated and cordoned off. Getty Images
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/WLDFPOMC5CTLJLGL6YNJ2AWTMU.jpg?smart=true&auth=7f77a0c0062a635efeba45e54f73d8624e21d04bbf3e71a9c5f99fdd6f13559d&width=400&height=225)
London Fire Brigade said a 'high quantity of chlorine gas' was released inside the centre due to a 'chemical reaction'. Getty Images
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FKHGW6WOMJPU7BNMZJIIBUWLJ4.jpg?smart=true&auth=b8e395515c4dc864ec01a4de2058c6fe365f77ad1222c9068dda1b55d4c66d57&width=400&height=225)
Emergency services near the Aquatics Centre. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/OM3HEKNSLFADDJGAV6PJF25FNE.jpg?smart=true&auth=4eeda2d5c61cef100e0c1bcfe239e86200b29ccf6f0e6a801e4c58f705d7c835&width=400&height=225)
A member of the emergency services speaks to a man who was forced to leave the swimming pool suddenly. Getty Images
The venue management said the incident involved 'the release of a gas', sparking an evacuation. Photo: Emma Bellot / Twitter
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/CVIFAEF6MWBHLUX367RQH2I3AY.jpg?smart=true&auth=e39ff3f09135884f8f4a031155cb6781e583ebe97a869fa83af0f55b78aa18f3&width=400&height=225)
A lorry carrying a tank of hydrochloric acid, parked outside London Aquatics Centre at Queen Elizabeth Olympic Park. PA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/KEGRXEQRLHTY6UAYUW3HKJ5DWU.jpg?smart=true&auth=1b447c0605c16a2a2b5c2a683c17eeeb8806cc1bbc6d7cda051d1187b2118c02&width=400&height=225)
The London Ambulance Service said it was treating a number of patients at the Aquatic Centre. PA
London Aquatic Centre evacuated as gas leak sends 29 to hospital
A further 48 patients were helped at the scene
![Simon Rushton](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/https%3A%2F%2Fs3.amazonaws.com%2Farc-authors%2Fthenational%2F8914acf1-bad9-42aa-8156-46e8d16687cc.png?smart=true&auth=3ff878e023b7bed9f6bc6795da784ade0a36914bf2ea4cd3973648e9808bed74&width=70&height=70)
Simon Rushton
23 March, 2022
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