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TMZ and others are reporting that performer Michael Jackson has been taken to UCLA Medical Center in cardiac arrest. The 911 call came in at Jackson's Holmby Hills home at 12:21 p.m. He's "not doing well," a family member told the site.
LA Times: Not breathing when paramedics arrived, says an LAFD captain.
KFI: "Allegedly full cardiac arrest."
* 2:50 p.m. Update: TMZ says it has confirmed Jackson's death. Other media awaiting independent confirmation.