Christy wrote on her Twitter page: “About 2 a.m. Friday morning, Jon Koppenhaver arrived unannounced to my home in Las Vegas, NV, after he broke up with me in May he moved out of my house and back to San Diego.”

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“When he arrived, he found myself and one other fully clothed and unarmed in the house. Without a single word spoken, he began beating my friend; once he was finished, he sent my friend away and turned his attention to me.

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“He made me undress and shower in front of him, then dragged me out and beat my face. I have no recollection of how many times I was hit, I just know my injuries that resulted from my beating. My injuries include 18 broken bones around my eyes, my nose is broken in 2 places, I am missing teeth and several more are broken.”

Christy continued, reliving her terrifying ordeal: “After some time, the knife broke off of the handle and continued to threaten me with the blade. I believed I was going to die. He has beaten me many times before, but never this badly. He took my phone and cancelled all of my plans for the following week to make sure no one would worry about my whereabouts. He told me he was going to rape me, but was disappointed in himself when he could not get hard. After another hit or two, he left me on the floor bleeding and shaking, holding my side from the pain of my rib.

“I ran out my back door, shutting it behind me so the dogs didn't run inside to tip him off. I hoped the fence to the golf course behind my house and ran to a neighbouring house. Naked and afraid he would catch me.

"I kept running through the neighbourhood knocking on doors. Finally one answered and I was brought to the hospital and treated for my injuries.”

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Christy is currently still in hospital, and Jon Koppenhaver is wanted by police.

Despite this, Koppenhaver has since tweeted, writing: “@ChristyMack I love you and hope you're okay. I came him (sic) early to surprise you and help you set up for your convention. I can't believe what I found and can't believe what happened.”

If you have been affected by domestic violence in anyway, contact refuge.org.uk for advice and information.