Filming of 24 is on hold temporarily while series star Kiefer Sutherland undergoes and recovers from kidney surgery. Kiefer’s publicist Evelyn Karamanos gave The Los Angeles Times the following statement: "While Kiefer Sutherland is frustrated to miss even one day of work, he and Fox decided together that it would be best to complete this minor elective procedure now, as a precaution, as opposed to six weeks from now when production wraps. He looks forward to returning to work next week." The operation was for a burst cyst near his kidney.PHOTO CREDIT: M-Net