UFC's Allan Nascimento. 34. dies of apparent heart attack

Flyweight Allan Nascimento has died of an apparent heart attack in his sleep, the UFC announced. He was 34.

"Despite the efforts of the responding medical team, he was pronounced deceased at the scene," UFC wrote Monday on X.

"Our thoughts and deepest condolences are with Allan's family, friends, teammates, and loved ones during this incredibly difficult time."

Nascimento posted a 22-7 record (4-2 UFC) after making his professional debut in 2021. The Brazilian fighter saw his four-match winning streak come to a halt in a split-decision setback to Mitch Raposo on June 20 at UFC Fight Night.