UFC flyweight Allan Nascimento died Monday from an apparent heart attack. He was 34.
The promotion confirmed the death without releasing additional details about when or where it occurred. Nascimento competed in the UFC's lightest weight class and represented a growing contingent of Brazilian fighters in the organization.
His death marks a tragic loss for the MMA community. Fighter deaths outside competition remain rare but weigh heavily on the sport. The UFC has not announced plans for a memorial or tribute.