Hollywood actor Robin Williams will undergo heart surgery for an aortic valve replacement, say reps.
He was admitted to a south Florida hospital earlier this week,
The Broadway run of the 57-year-old actor's solo show "Weapons of Self-Destruction" has also been postponed following the operation, reports Variety.
Williams has cancelled all performances of his show, which was on an 80-city tour that started last September and was to reach Broadway in the spring.
The tour will resume coming fall.