The Republican Party is demanding that Mississippi election officials “separate and preserve” all provisional ballots cast in the midterms — the first step in a likely bid to throw out votes in the state’s extremely close U.S. Senate race*.

The vote count is ongoing, and Democrat Scott Colom currently leads Sen. Cindy Hyde-Smith ® by several hundred votes, with certification due by Nov. 13. His victory would represent a significant upset in the state’s Republican-dominated politics.