An autopsy on Peaches Geldof failed to determine the cause of death of the 25-year-old TV personality.
Police said toxicology tests will next be performed for more conclusive results, but could take weeks.
Authorities in England said the post-mortem revealed no foul play.
Geldof’s death is currently being described by police as a “non-suspicious, unexplained sudden death.”
As previously reported, the daughter of musician Bob Geldof and the late Paula Yates died in Kent on Monday.
She is survived by her musician husband Thomas Cohen and their two baby sons.
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