Read our Privacy noticeAs Karol Itauma joins our Zoom call, he’s stepping out the door of a Harlow gym where his brother Moses is training. There was a time when one Itauma brother could not be mentioned without the other. But come summer 2024, Moses was obliterating Mariusz Wach in the ring, while Karol’s heart was attacking his own body. I thought, ‘That’s a bit strange,’ so I broke my fast with some fruit. Karol is speaking on the week that Allan Nascimento, an active UFC fighter, died aged 34 due to a sudden heart attack.