Credit: Mike ThutSome new information about Jefferson Starship singer/guitarist Paul Kantner‘s health scare has been revealed on the band’s official Facebook page. A message posted Thursday reports, “Paul did indeed have a heart attack,” adding that “he had a procedure [Thursday] afternoon and he’ll be recovering in the hospital the next few days before heading back to San Francisco to recuperate.”

The group also thanks fans “for all of your incredible support.”

News of 74-year-old Rock and Roll Hall of Famer’s illness was first reported on Wednesday, when it was revealed that Kantner had been hospitalized and was undergoing tests to find out what was wrong. The Jefferson Starship has decided to continue its current tour while Kantner recuperates. The band’s show takes place tonight in Uncasville, Connecticut.

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