Michael Jackson's doctor tries to change story

Prosecutors say the doctor charged in the death of Michael Jackson is trying to change his story about his actions involving the pop star.

In a motion filed on Monday, the prosecution asked a judge to bar new claims made by Dr Conrad Murray to experts who will testify on his behalf in the case.

Prosecutors quoted Murray as telling experts he left Jackson's bedroom to make a phone call, even though he initially said he left Jackson to go to the bathroom.

Experts also said Murray claimed to have experience using propofol - the powerful anaesthetic that killed Jackson - as a sedative, even though Murray didn't make such a claim in police interviews.

The motion also says Murray claims for the first time that Jackson took propofol in fruit juice while the doctor wasn't looking.

Murray has pleaded not guilty to involuntary manslaughter.

- AAP