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At least five women have accused Moore of varying degrees of sexual harassment - including one woman who said on Monday that Moore assaulted her in the 1970s when she was 16 and he was in his 30s.
Since the accusations first surfaced last week, several top Republicans have distanced themselves from Moore, including Senate Majority Leader Mitch McConnell, who said that Moore should leave the Alabama Senate race.
Moore has so far defied those calls and has denied the allegations against him. The RNC's withdrawal of support could throw his campaign into doubt less than one month before Election Day.
This story is developing. Check back for updates.