Michael Jackson's final autopsy results could take weeks

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The Los Angeles County Coroner says an autopsy has been done on pop star Michael Jackson's body, but additional tests will determine the exact cause of death. The results are expected in four to six weeks. Chief Investigator Craig Harvey says there was no evidence of external trauma to Jackson's body or signs of foul play.

Police investigating Michael Jackson's death were looking for one of the pop king's doctors after seizing a car they say may contain drugs or other evidence. Police towed a BMW from Jackson's rented home. The doctor's identity has not been released and police stress the doctor was not under criminal investigation.

In a transcript of the emergency call released by fire officials, a caller reports Jackson was on a bed and not breathing or responding to cardiopulmonary resuscitation.The unidentified caller said Jackson was with his personal doctor at the time.