'The Voice' Contestant Anthony Riley's Death Ruled a Suicide

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Sad news.

Philadelphia street musician Anthony Riley's death has been ruled a suicide, ET can confirm per the Philadelphia Medical Examiner's Office.

Riley, 28, was reportedly found in the basement of his apartment building in Center City. The Examiner's office confirmed he hanged himself.

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Following the news of Riley's death, Voice host Carson Daly shared his thoughts on Instagram, writing, "Praying for the family and friends of Anthony Riley today. It's a heartbreaking loss. He was incredibly talented and loved to sing. God Bless him."

Riley, who was mentored by Pharrell, famously had the fastest four-chair turnaround by judges in the show's history while performing James Brown's "I Got You (I Feel Good)."

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Despite being a frontrunner to win season 8, Riley had to leave the show early due to substance abuse issues, telling an interviewer that NBC paid for his rehabilitation.

Updates to follow.