sudden death

His niece spoke out on Friday about her family's pride in her uncle and said they are still trying to process his sudden death.

The preliminary reason, according to a track veterinarian, was sudden death likely a heart attack.

Five from musculoskeletal injuries and two by sudden death.

Even in their grief, fans around the world have been moved to action following Payne's tragic and sudden death.

Payne's sudden death led to an outpouring of grief from his family, friends and fans around the world.