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Johathan Koppenhaver who appeared in UFC's Ultimate Fighter TV show in 2007.
Las Vegas Metropolitan Police Department/AP

A mixed martial arts fighter accused of brutally beating his porn star ex-girlfriend attempted suicide this week in his Las Vegas jail cell, authorities said.

A jail official found Jonathan Koppenhaver, 32, unresponsive on the floor of his cell Tuesday with linen around his neck and a suicide note in the room, News 3 reports. Koppenhaver, also known as War Machine, is accused of beating Christy Mack in August. He was reportedly in talks for a potential plea deal.

Prior to the suicide attempt, Koppehaver defended himself in a series of tweets.

[News 3]

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