Michael Jackson suffered a heart attack this afternoon at his home and paramedics were not able to revive him, TMZ reported. Jackson was administered CPR in the ambulance, the gossip site said.
The Los Angeles Fire Department says Michael was not breathing when paramedics arrived.
Michael is survived by three children: Michael Joseph Jackson, Jr., Paris Michael Katherine Jackson and Prince "Blanket" Michael Jackson II.
Joe Jackson, the family patriarch, had told the site his son "is not doing well" when news of his heart attacked first broke.
Janet Jackson Photos OK! magazine's Web site says the publication confirmed the King of Pop was taken to the emergency room at Cedars-Sinai Medical Center and that streets surrounding the hospital were blocked by police and yellow tape.