Fans mourn UFC fighter Allan Nascimento, 34, who died from 'heart attack in sleep'

NewsUK & WorldUFCThe Brazilian flyweight won 22 of his 29 fightsOlivia Beeson UK & World News Reporter and Husna Anjum Senior Reporter07:37, 04 Aug 2026Friends and fans mourn Brazilian UFC fighter Allan Nascimento, who reportedly died from a heart attack in his sleep. The 34-year-old's death was announced by the UFC this morning (August 3).‌Nascimento had won a huge 22 of his 29 fights. DailyStar reports he recently fought Mitch Raposo in Las Vegas and lost the June fight on a split decision.‌A statement from the organisation said: “This morning, Monday, August 3, our beloved fighter and exemplary flyweight Allan Nascimento was found unresponsive after suffering an apparent heart attack in his sleep. Despite the efforts of the responding medical team, he was pronounced deceased at the scen