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Former UFC star Chuck Liddell and his estranged wife, Heidi, will not face prosecution following their domestic violence drama last week.

Officials with the Los Angeles District Attorney's Office have opted not to proceed with the case or file charges after the Liddells were allegedly involved in a physical confrontation, which landed Chuck behind bars.

Filing for divorce on Friday, Chuck insisted he was not the aggressor and claimed his wife suffers from mental health issues.

According to new legal documents obtained by The Blast, Chuck said: "I was the victim of the incident... at our family home, as details of the case will reveal. The deputies informed me that my wife would be arrested, as I did not respond to her assault while I sustained bruising and lacerations. I volunteered to go in her place.

"This was one of many times I have tried to shield a family mental health issue from the public purview. It has become painfully apparent that this cannot continue, as our private life has now reached a public breaking point. Please respect our privacy as I help to navigate our family through this difficult time."

The estranged couple shares two children.