Michael Jackson's family gathered at his parents' suburban Los Angeles home on Saturday to make funeral arrangements amid reports that they are seeking a second, independent autopsy.
Jackson's body was returned to his family on Friday night after an examination by the Los Angeles County coroner's office failed to determine what killed the 50-year-old pop star, pending toxicology tests that were expected to take four to six weeks.
Celebrity website TMZ.com has reported that a second post-mortem was underway at an undisclosed location in Los Angeles on Saturday afternoon on the orders of the Jackson family.
The Rev. Jesse Jackson, who has been acting as a spokesman for the singer's parents, told CNN that the family would "without a doubt" order an independent examination of the remains.
Michael Jackson's family have spoken of their grief at his sudden death.
In a statement issued by his father Joseph Jackson, the star's relatives called it "one of the darkest moments of our lives".
"It leaves us, his family, speechless and devastated to a point where communication with the outside world seems almost impossible at times," the statement said.
The family also thanked fans for their messages of support.
Doctor 'not a suspect'
A spokeswoman for the star's personal doctor Conrad Murray, who was with him when he died, said Dr Murray had met police for a second time for a three hour meeting.
Miranda Sevcik said Dr Murray met investigators and "clarified some inconsistencies," but that "the doctor is in no way a suspect and remains a witness to this tragedy."
Police confirmed that Dr Murray had been co-operative and had provided information that would assist their investigation.
But earlier Jesse Jackson said the family had a flurry of questions of their own for Jackson's personal doctor.
"When did the doctor come? What did he do? Did they inject him, if so with what," he said.
The rights leader claimed Dr Murray had gone missing in the hours immediately following the singer's death, which raised "questions of substance that will not go away until they are answered".
"He owes it to the family and to the public to say: 'These were the last hours of Michael's life and here's what happened.'"
The Houston-based cardiologist was desperately trying to revive Jackson when paramedics arrived and he rode with the singer in an ambulance to the hospital where the pop star was pronounced dead.
Dr Murray's silver Mercedes was towed from the home where Jackson died so detectives could search it for evidence and medication.
