Foo Fighters drummer Taylor Hawkins has died aged 50, the band has announced.
The US group - one of the most successful rock bands of the last three decades - said they were "devastated".
family is devastated by the tragic and untimely loss of our beloved Taylor Hawkins," the band tweeted.
"His musical spirit and infectious laughter will live on with all of us forever.
"Our hearts go out to his wife, children and family, and we ask that their privacy be treated with the utmost respect in this unimaginably difficult time."
No cause of death was given in the band's message.
The group are currently in Bogota, Colombia, as part of a tour that was set to head to the UK this summer with stadium shows in London, Birmingham and Manchester.
Hawkins joined the band in 1997 after previously touring with singer Alanis Morissette, one of the biggest stars of the 90s.
He phoned frontman Dave Grohl - himself a former drummer with Nirvana - when previous member William Goldsmith
departed, beginning a 25-year career with the group.
"My heart, my love and my condolences go out to his wife, his children, his family, his band and his fans. See you on the other side..." said the Black Sabbath singer.