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OTRC: The Ultimate Warrior UPDATE: Cause of death - heart disease

The Ultimate Warrior speaks during the WWE Hall of Fame Induction at the Smoothie King Center in New Orleans on Saturday, April 5, 2014. He died three days later, on April 8, WWE announced. / The Ultimate Warrior appears in a publicity photo before his induction. (Jonathan Bachman / AP Images for WWE)

The cause of the shocking death of WWE star The Ultimate Warrior has been revealed -- he died of heart disease, Arizona officials say.

The pro wrestler, who was most popular in the 1980s and 1990s and had retired in 1998, had passed away suddenly at age 54 on April 8 while walking with his wife to their car at a hotel in Scottsdale, the Associated Press. The Maricopa County Medical Examiner's Office conducted an autopsy and recent results showed he died of cardiovascular disease, a spokesperson told the Associated Press on Monday. Police had said there were no signs of foul play.

The WWE star, who was born James Hellwig and had changed his name legally to Warrior, is also survived by two daughters. He had died a day after making his first appearance on the wrestling group's hit show "Monday Night Raw" in about 18 years and days after he was inducted into the WWE Hall of Fame and appeared on WrestleMania 30.

The organization paid tribute to him on a recent taping of "Raw." (See below.)

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