The Wall Street Journal added: "The manicurist said she told Mr. Wynn she didn't want to have sex and was married, but he persisted in his demands that she do so, and ultimately she did disrobe and they had sex, the people remember her saying."

The newspaper reported the manicurist was paid a settlement of $7.5 million. This was just one in a "decades-long pattern" of sexual indiscretions, according to the report.

Wynn has denied the allegations.

"The idea that I ever assaulted any woman is preposterous," Wynn said in a statement that Wynn Resorts sent to media outlets Friday. "We find ourselves in a world where people can make allegations, regardless of the truth, and a person is left with the choice of weathering insulting publicity or engaging in multi-year lawsuits. It is deplorable for anyone to find themselves in this situation."

Wynn is the chairman and chief executive of Wynn Resorts, which includes a flagship hotel and casino in Las Vegas that bears his name. Late Friday, the company's board of directors announced that it had formed a special committee to investigate the sexual misconduct allegations against Wynn.

"The Board is deeply committed to ensuring the safety and wellbeing of all of the Company's employees and to operating with the highest ethical standards," the board said in a statement provided to CNN Money.

Wynn has become a top donor to Republican candidates and campaign committees. He is a longtime friend to the president, who himself once owned a casino, and Wynn was Trump's pick to be the party's top finance official.

Wynn's resignation comes after a day of questions directed at McDaniel and other prominent Republicans about how the party would handle Wynn's role, his personal donations and his fundraising efforts given the sexual misconduct allegations against him.

"They couldn't tolerate having him in that role, given what the party leadership had said about Democrats and Harvey Weinstein. And it'd be hard to go into the next RNC meeting with this hanging out there," former RNC chairman Michael Steele said, according to the Washington Post.

Last year, when similar allegations were made against movie producer and Democratic donor and fundraiser Harvey Weinstein, McDaniel and others in the GOP pressured national Democrats and prominent Democrats in Congress to cut their ties with Weinstein and return his donations. "Weinstein lined Democrat pockets with millions of dollars," McDaniel wrote on Twitter in October of last year. "If the DNC truly stands up for women like they say they do, then returning Weinstein's dirty money should be a no-brainer."

The RNC winter meeting will be held in Washington, D.C., next week beginning Jan. 31. It was unclear Saturday who will replace Wynn as the RNC's finance chairman but filling the position and the controversy surrounding Wynn are both likely to be topics of discussion at the meeting.

It was also not clear Saturday whether the RNC or various other GOP campaign committees plan to return or donate Wynn's contributions.

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