A tech influencer was denied entry onto his flight and was taken to the hospital after his smart ring battery swelled around his finger.

Daniel Rotar, 32, was 47 hours into his three flights from Hawaii to Manchester when he noticed his left index finger beginning to ache.

He looked down to see that his Samsung Galaxy Ring, a £399 fitness tracker powered by artificial intelligence (AI), had bloated.

The founder of the YouTube channel ZONE of TECH told Metro that he struggled to take the ring off as he queued for his 4.35pm flight at Frankfurt Airport, Germany.

‘My finger started swelling, so I thought I needed to take the ring off – but it wasn’t coming off,’ Daniel said.

‘The ring has two bumps – sensor areas – but they were bigger. I then realised there were four bumps, two extra on

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