Man killed in canister explosion

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A man has been killed in a gas blast at a business in Buckinghamshire.

Emergency services were called to a building on the A40 Oxford Road in Denham at about 1740 BST on Friday to reports of an explosion.

Police said two men inside were taken to hospital in London. One died there later, while the other is being treated for serious leg and hand injuries.

A police spokesman said the explosion was believed to have been caused by a nitrogen canister.

No-one else was injured in the blast.

Thames Valley police have started a joint investigation with safety watchdog the Health and Safety Executive (HSE) into the circumstances of the explosion.