(CNN) -- Michael Jackson, the show-stopping singer whose best-selling albums -- including "Off the Wall," "Thriller" and "Bad" -- and electrifying stage presence made him one of the most popular artists of all time, died Thursday, CNN has confirmed. He was 50. He collapsed at his residence in the Holmby Hills section of Los Angeles, California, about noon Pacific time, suffering cardiac arrest, according to brother Randy Jackson. He died at UCLA Medical Center. As news of his death spread, stunned fans began to react and remember one of the most remarkable careers in music.
Video shows ambulance rushing the pop star to the hospital . Crowds gather at the hospital where Jackson was rushed . A.J. Hammer: This "is big as it gets"; Rev. Al Sharpton: He was "a trailblazer" Motown founder Berry Gordy Jr. says he's "numbed and shocked" at the news .