UFC fighter Allan Nascimento died at 34, the UFC said.

He had a heart attack while sleeping and could not be saved.

Despite help from emergency responders, he died at the scene.

Allan Nascimento fought Mitch Raposo in Las Vegas in June 2026.

Dana White said Donald Trump wanted to make a UFC event bigger.

The UFC sent condolences to Allan's family and friends on social media.

Allan Nascimento had 22 wins and 7 losses in his career.

He won four fights in a row after his first UFC loss.

Nascimento got a bonus for his good performance in two fights.

Allan Nascimento fought Mitch Raposo in a flyweight fight in June 2026.

Nascimento last fought on June 20, 2026, and lost.

Dana White responded to a former UFC fighter's comments.

Allan Nascimento trained with a famous gym in Brazil.

Allan Nascimento fought Cody Durden in a catchweight fight in November 2025.

Nascimento spent over 10 years trying to make it to the UFC.

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The MMA world is sad about Allan Nascimento's sudden death.

Emma Bussey writes about breaking news for Fox News Digital and used to work at The Telegraph.