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Jackson trial: Conrad Murray 'concern over drugs'

30 September 2011 Last updated at 07:15 BST

Michael Jackson's doctor told the performer's bodyguard to pick up vials of medicine before phoning for help on the day he died, his trial has heard.

Alberto Alvarez, who was the first to arrive in Jackson's bedroom when Dr Conrad Murray called for help, said he didn't question the doctor.

Dr Murray denies a charge of involuntary manslaughter. Peter Bowes reports.