The Associated Press reports that Williams underwent an operation March 13 to replace an aortic valve. His publicists said that the award-winning actor is expected to make a complete recovery within the next two months. Williams, in a statement, thanked his doctors and "all of the people who have expressed their love and concern for me."

Williams' tour is expected to resume in the fall, although no dates — including a Broadway run — have been announced.

Weapons was to have arrived on Broadway at the Neil Simon Theatre April 23, presented on Broadway by James L. Nederlander and Ron Delsener.

Weapons of Self-Destruction, according to press notes, "highlights Williams' trademark free associations and riffs on social and political absurdities."

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The actor-writer-comedian, who became known during his work in "Mork & Mindy" — a spinoff created from a guest spot on "Happy Days" — is widely hailed for his madcap improvisational humor in movies such as "Good Morning, Vietnam," "Aladdin," "The Birdcage," "Mrs. Doubtfire" and "Death to Smoochy," among others. Williams has often taken on dramatic roles as well in such films as "The Fisher King," "Awakenings," "Insomnia" and his Academy Award-winning turn in "Good Will Hunting." On stage the actor may be remembered for his performance as Estragon opposite Steve Martin's Vladimir in the Mike Nichols-directed production of Samuel Beckett's Waiting for Godot.

Williams was seen on Broadway in Robin Williams: Live on Broadway (July 11-14, 2002) and V.I.P. Night on Broadway (April 22, 1979).