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(NewsCore) - The funeral for Amy Winehouse has been scheduled for Tuesday, four days after the British singer was found dead at her home in North London, a family spokesman told Sky News.

An autopsy conducted Monday was inconclusive in determining the cause of the singer's death and officials will now await toxicology tests for more information. The tests could take between two to four weeks.

The inconclusive autopsy came as a coroner's investigation was opened and later adjourned to allow the star's family to make arrangements for her funeral tomorrow.

A coroner's officer at St. Pancras Coroner's Court told the hearing that Winehouse's body "was identified by her family here at St. Pancras [Monday] morning."

The singer was found dead Saturday. "The scene was investigated by police and determined non-suspicious," the coroner's officer added.

The "Rehab" singer had been troubled by alcohol and drug problems throughout her career, but police reiterated Monday that it was too early to speculate on a cause of death.

Earlier Monday, the Grammy-winning singer's father told fans gathered outside her London home that he was "devastated and speechless" over her death.

Mitch Winehouse was joined by the 27-year-old's mother, Janis, to look at tributes -- including alcoholic drinks, cigarettes, soft toys, flowers and candles -- left by fans at the edge of a police cordon surrounding the residence.

"Amy was about one thing, and that was love," he told mourners. "Her whole life was devoted to her family and her friends and to you guys [fans], as well. We're devastated, and I'm speechless, but thanks for coming."

The star's grief-stricken mother was in tears as she looked at the tributes and took pictures of them on her cell phone.

Paramedics were called to the soul singer's house Saturday afternoon, but she was said to be "beyond help" and was pronounced dead at the scene.