Story highlights Singer Anthony Kiedis suffered "complications from the intestinal flu," the band says

The Red Hot Chili Peppers say they're postponing a May 17 show while he recovers

(CNN) Members of the Red Hot Chili Peppers took the stage for a sold-out show Saturday night, but the band didn't play a single note.

Standing beside his bandmates, bass player Flea announced the show in Irvine, California, wouldn't go on.

Singer Anthony Kiedis, 53, was heading to the hospital, Flea told the crowd.

"We are devastated about it," the bass player said. "We live to rock ... but unfortunately there's a medical thing that happened and he needed to deal with it."

In a statement Sunday , the band announced that "complications from the intestinal flu" led to Kiedis' hospitalization.

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