The suspension comes as a flood of Republicans have withdrawn their support for Trump over the video that emerged on Friday showing the businessman, then a reality TV star, talking with Bush on an open microphone about groping women and trying to seduce a married woman.

The controversy has pitched Trump, 70, into the biggest crisis of his campaign and deepened fissures between him and establishment Republicans just a month ahead of the Nov. 8 presidential election.

Bush has been suspended indefinitely from the "Today" show, where he hosts the third hour of programming, NBC said.

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It quoted Noah Oppenheim, the executive in charge of the morning show, as saying in a memo to staff that "there is simply no excuse for Billy's language and behavior on that tape."

Oppenheim said Bush had been suspected "pending further review of the matter."