Malcolm Young of AC/DC is taking a break from the band to focus on his health.
The announcement saying the 61-year-old guitarist is in "ill health" was posted on the band's Facebook page Wednesday. No details were provided.
The statement said: "Malcolm would like to thank the group's die-hard legions of fans worldwide for their never-ending love and support."
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AC/DC includes vocalist Brian Johnson, drummer Phil Rudd, bassist Cliff Williams and guitarist Angus Young, Malcolm Young's brother.
The Rock and Roll Hall of Famers also say in the statement they "will continue to make music." AC/DC's last studio album was 2008's "Black Ice." They released a live disc in 2012.
Young co-founded the Australian classic rock band. He has performed with AC/DC for 40 years.