Ryan Knight, the celebrity who appeared on MTV's The Real World: New Orleans in 2010 was found dead in his home in Kenosha, Wi.

He was 28.

An autopsy report from the Kenosha Police Department did not reveal any cause of death.

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"There were no obvious signs of injury to Mr. Knight," the statement read.

A report from TMZ said that Knight was spotted out with friends Wednesday night before he was found dead Thursday morning.

Kenosha police received a call Thanksgiving Day, just after 10 a.m., reporting "a 28-year-old male was unconscious and not breathing" inside a home. Officers and paramedics hastened to his home but they failed to resuscitate Knight.

2 am Thursday, Knight made his final post on Twitter saying: "You used to mean a lot."

A witness told police that he saw Ryan sleeping on the floor between 7:30 a.m. and 8 a.m.  Two hours later, he was no longer breathing.

Knight appeared in MTV's The Real World: New Orleans in 2010 and the spinoff of The Real World and Road Rules The Challenge in 2013.

MTV issues a statement via E! News saying: "We are saddened to hear the news of the passing of Ryan Knight."

"Our thoughts and condolences are with his family and friends at this difficult time," the statement continued.

Two weeks prior to his death, Diem Brown, Knight's The Challenge co-star succumbed to her battle with cancer at age 32.

After discovering Knight's death, fellow Real World and Challenge cast members took to Twitter their thoughts about their co-star.

His rumored girl friend, Makenzie Jauer also posted a remembrance of the late reality star via her Instagram page.

TagsRyan Knight, The Real World, the challenge, MTV