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Preliminary Autopsy Fails to Determine Amy Winehouse’s Cause of Death

Toxicology results could take four weeks

A preliminary autopsy of singer Amy Winehouse has failed to determine a cause of death, police announced Monday.

Results from toxicology tests could take as long as four weeks to produce. 

The 27-year old British singer's body was found in her London apartment on Saturday. She had publicly struggled with addiction for years. 

Also read: Singer Amy Winehouse Found Dead at Her London Flat

It has not been determined if drugs were a factor in Winehouse's death, but the coroner's office said it ruled out that foul play was involved. 

Police investigated the scene, but found nothing suspicious, a coroner's office spokesperson told reporters. 

Winehouse was Jewish and custom usually dictates that a body is buried shortly after death. However, a funeral for the "Back to Black" star will not take place on Monday, the BBC reports.