Michael Jackson, 50, one of pop music's biggest stars, was rushed to a Los Angeles-area hospital by paramedics who found him not breathing when they arrived at his home, the Los Angeles Times said, quoting fire officials. The TMZ website reported later he had died.
There was no official confirmation of the reported death, and spokesmen for Jackson could not be reached for comment.
Here are some key facts about Jackson.
* Jackson was born on August 29, 1958, in Gary, Indiana, the seventh of nine children. Five Jackson boys -- Jackie, Tito, Jermaine, Marlon and Michael -- first performed together at a talent show when Michael was 6. They walked off with first prize.
* Their group later became The Jackson Five, and when it was signed by Motown Records in the late 1960s it underwent its final metamorphosis to become The Jackson 5. Jackson made his first solo album in 1972.
* Jackson released "Thriller" in 1982, which became a smash hit that yielded seven top-ten singles. The album sold 21 million copies in the United States and at least 27 million worldwide.
* The next year, he unveiled his signature "moonwalk" dance move while performing "Billie Jean" during an NBC special.
* Jackson's lifetime record sales tally is believed to be about 750 million, which, added to the 13 Grammy Awards he has received, makes him one of the most successful entertainers of all time.
* In 1993, Jackson was accused of sexually abusing a 13-year-old boy, and police raided his California ranch "Neverland."
* The same year, Jackson announced he had become addicted to painkillers and abruptly canceled a world tour to promote his album, "Dangerous."
* He reached a settlement in 1994, later reported to be $23 million, with the family of the boy he was accused of abusing.
MARRIAGE & FAMILY:
* In 1994, Jackson married Elvis Presley's only child, Lisa Marie, but the marriage ended in divorce in 1996. Jackson married Debbie Rowe the same year and had two children, before splitting in 1999. The couple never lived together.
* Jackson has three children named Prince Michael I, Paris Michael and Prince Michael II, known for his brief public appearance when his father held him over the railing of a hotel balcony, causing widespread criticism.
* A television documentary "Living with Michael Jackson" was aired in 2003, saying that Jackson still had sleepovers with young boys and had his third child with a surrogate mother. Jackson aired his own rebuttal.
* Jackson went on trial in 2005 on charges of molesting a 13-year-old boy in 2003, as well as conspiring to abduct the boy. The singer faced nearly 20 years in prison if convicted.
* The four-month trial ended in June 2005 with his being acquitted of all charges. Jackson has spent time in Bahrain, Ireland and France since the child molestation case ended.
* After several false dawns, Jackson and music promoter AEG Live announced he would perform 50 concerts at London's O2 Arena. Jackson had been due to start the concerts on July 13. Jackson had been rehearsing in the Los Angeles area for the London shows, which sold out within hours of within hours of going on sale in March.