Sad news out of Nashville today.

Kid Rock says he's "beyond devastated" by the sudden death of his personal assistant, Mike Sacha, who was involved in an ATV accident while on Rock's Nashville property.

The "All Summer Long" singer, 45, posted a message about the tragedy on his personal web site (VIA Us Weekly) on Monday, April 25.

"I am beyond devastated to report that my personal assistant Mike Sacha passed away today in an ATV accident here in Nashville," Rock said. "He was a member of our family and one of the greatest young men I have ever had the pleasure to not only work with, but also to become friends with."

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"I know I speak for us all in sharing my deepest condolences to his family," Rock continued. "I can not imagine how they must feel. Myself, the band, our family, friends and co-workers are devastated over this loss. We were supposed to be back in Michigan today, but I am going to stay here with Mike until I can bring him home to his family," Rock added.

"We've already been contacted by the press asking if it was me who was in the accident, so I want to stop any rumors before they spread. I'm asking everyone to please respect our and his families' privacy in this difficult time. RIP Mike. We will never forget you, my friend," said Rock, born Robert James Ritchie.

Metro Nashville PD confirmed the news of 30-year-old Sacha's tragic death with a tweet that read: "Michael Sacha, 30, personal assistant to Kid Rock, fatally injured in Nashville ATV crash on Knight Dr. Death classified as accidental."

Newspaper The Tennessean reports that Rock discovered his friend's body on Monday morning on while on his White Creek property. It appeared that he was involved in an ATV accident while shuttling guests to a cookout the singer hosted on Sunday, April 24.