Blake Shelton delays tour to mourn father

Sad news for Blake Shelton.

The 35-year-old country superstar and "The Voice" mentor is grieving the Wednesday passing of his father, Dick.

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"Mr. Shelton, who was in declining health this past year, was surrounded by loved ones in Oklahoma upon his passing this evening," a rep for Shelton told Us Weekly in a statement late Wednesday.

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As the singer mourns with his family, he has announced plans to reschedule four dates through next week on his Well Lit & Amplified tour. His stops in Bismark, N.D., Rapid City, S.D., Bozeman, Mont. and Billings, Mont. will be delayed until late March.

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"I appreciate your understanding during this difficult time and thank you for all your prayers. Your support means the world to me. I love you guys," Shelton told Us in a statement.

For more information on Shelton's makeup dates, visit his website, BlakeShelton.com.