Michael Jackson’s personal physician, Conrad Murray, has gone on trial in Los Angeles, charged with involuntary manslaughter of the singer.
Prosecutors say he acted with "gross negligence" and gave Jackson a lethal dose of the sedative propofol, on the night he died in June 2009.
The defence says Jackson gave himself too much of the drug, a sleeping aid.
If convicted, Dr Murray, 58, could face four years in jail and the loss of his medical licence.
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