"This is all fiction, all fictionalised, probably or possibly started by her and her very sleazy campaign," he said of Mrs Clinton.

"I didn't even apologise to my wife, who's sitting right here, because I didn't do anything," he continued.

Mr Trump claimed, erroneously, that the accusations had been "largely debunked", and denied having said two of his accusers were too unattractive for him to grope them.