At least 4 people were killed in an explosion at a water treatment plant near Bristol, according to police.
Another person was injured when a chemical tank exploded at the Wessex water recycling center in the town of Avonmouth, Mark Ronacres, chief inspector of Avon and Somerset Police, told a news conference.
Police declared the accident “significant” at the time – as emergency and emergency teams and fires were deployed at the scene – but added that there were no public safety concerns related to the accident.
The victims included three Wessex employees and one contractor.
British Prime Minister Boris Johnson expressed his condolences on Twitter, saying: “I am extremely sad to learn that four people lost their lives in the explosion of water facilities in Avonmouth. Our hearts are with the victims and their families. Thanks to the emergency services who came to the scene.”