UPDATE: Paris Jackson left a suicide note and then cut her arm with a meat cleaver … TMZ has learned.

Sources with an intimate knowledge of the situation tell TMZ … Michael Jackson’s daughter called a suicide hotline and the person on the other end was alarmed enough to call 911.

Our sources say in addition to cutting her right forearm, Paris had taken a large number of Motrin pills.

We’re told once Paris was taken by stretcher to an ambulance and then transported to a nearby hospital, she was placed under a 5150 psychiatric hold for 72 hours.

She received “numerous stitches” for the cut.

As for the suicide note … we do not know what she wrote. – TMZ

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The pressure of having to testify in the high-stakes legal showdown over Michael Jackson’s death drove Paris Jackson to attempt suicide, a source close to the family told the Daily News.

The King of Pop’s only daughter is due to take the stand by the end of the month in the wrongful death lawsuit pitting the Jackson family against the promoter of his doomed run of concerts, AEG. But the worldwide attention and the millions of dollars on the line were too much for the 15-year-old Jackson, a source said.

“She’s just a wreck. She was getting more and more emotional about having to take the stand as the day gets closer,” the source told The News. “This is a plea for help. She is broken.”

Read the full story at NY Daily News.