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UFC fighter Allan Nascimento, 34, found dead at home after suffering heart attack

The Brazilian 'beloved fighter and exemplary' flyweight was found dead in his home at the age of 34 after suffering an apparent heart attack in his sleep

[Allan Nascimento of Brazil was found dead at home ]

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Allan Nascimento of Brazil was found dead at home

UFC fighter Allan Nascimento has been found dead at home at the age of 34.

The Brazilian flyweight was pronounced dead after suffering an apparent heart attack in his sleep, the organisation has announced.

A UFC statement 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.

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LAS VEGAS, NEVADA - JUNE 20: Allan Nascimento of Brazil prepares to face Mitch Raposo in a flyweight fight during the UFC Fight Night event at Meta APEX on June 20, 2026 in Las Vegas, Nevada. (Photo by Chris Unger/Zuffa LLC)

Despite the efforts of the responding medical team, he was pronounced deceased at the scene.

Our thoughts and deepest condolences are with Allans family, friends, team-mates, and loved ones during this incredibly difficult time.

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LAS VEGAS, NEVADA - JUNE 20: (R-L) Mitch Raposo upnches Allan Nascimento of Brazil in a flyweight fight during the UFC Fight Night event at Meta APEX on June 20, 2026 in Las Vegas, Nevada. (Photo by Chris Unger/Zuffa LLC)

Nascimento last fought in June, and had won a huge 22 of his 29 fights.

In June he lost to Mitch Raposo in Las Vegas on a split decision.

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