An inquest into the death of Peaches Geldof will be told on Thursday that she died of a heroin overdose, the Times (£) has reported.
The newspaper reports that Geldof had become "increasingly obsessed" with the death of her mother Paula Yates from a heroin overdose in 2000.
Police discovered no evidence of drug use when Geldof, 25, was found dead at her Kent home on 7th April.
More top news
A mother has spoken of her anguish at her daughter not being allowed to leave hospital because of a shortage of trained nurses.
The singer and actor had recently been diagnosed with metastatic prostate cancer and died at home with his wife and family around him.
The RSPCA is appealing for information after a dog was found with a crossbow bolt through his skull near Peterborough