The Wrestling Observer reports:
Edward "Umaga"Fatu passed away around 6 p.m. Eastern time after suffering a second heart attack while in the hospital. He was 36.
The WWE has also released a statement:
WWE would like to express its deepest condolences to Mr. Fatu’s family, friends and fans on his tragic passing. Mr. Fatu was under contract with WWE at various time periods and most recently performed under the name "Umaga." Mr. Fatu's contract was terminated on June 11, 2009.
Crazy stuff, certainly. If any new details come to light, we will let you know.