Kevin DuBrow, frontman of the metal band Quiet Riot that earned heavy success in the 1980s was found dead in his Las Vegas home on Sunday.

A neighbor alerted the police on Sunday afternoon; paramedics pronounced the rocker’s death at about 5:20 p.m. The cause of the death of the 52-year old singer is not known yet, as the results of autopsy and toxicology tests haven’t been completed. The official results submitted by the Clark County coroner will be available within a few weeks.

The death of the popular singer was announced via the website of the band’s drummer Frankie Banali. “I can't even find words to say. Please respect my privacy as I mourn the passing and honor the memory of my dearest friend, Kevin DuBrow,” he wrote. DuBrow was known to be in good health and celebrated his birthday before Halloween.

Quiet Riot was founded by Randy Rhoads and bassist Kelly Garni in the 1970s, having  DuBrow and drummer Drew Forsyth as members. The band’s membership changed quite a lot, with Rhoads leaving in 1979 to be Ozzy Osbourne’s guitarist. After Rhoads’ death in 1982, Quit Riot reunited without its initial founders and hit the charts with record selling album “Metal Health”, which sold 6 million copies.

Songs like “Slick Black Cadillac” and “Metal Health (Bang Your Head)” made a renowned name for the metal band, always being in the Top 40, but most outstandingly, the cover “Cum On Feel the Noize” hit the Top 5. Quiet Riot became the metal pioneers in the Billboard album chart, taking the place of the Police's Synchronicity.

The next album “Condition Critical” made itself remarkable with hits like “Party All Night” and another Slade cover, “Mama Weer All Crazee Now,” but marked a fall of the band, which broke up in 1989. They reunited in the 1990s, disbanded in 2003 and rejoined for the last material released in 2006 called “Rehab.” DuBrow also launched a solo album in 2004 “In For The Kill.”