The dome of the U.S. Capitol in Washington, D.C. McClatchy
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York County state Rep. John King, a Democrat who introduced a resolution in January saying that presidential candidate Donald Trump was not welcome in his state, also filed to run for Mulvaney’s seat. He is also chairman-elect of the S.C. Legislative Black Caucus.

Two American Party candidates filed to run for Mulvaney’s seat: Rudy Barnes, an attorney from Little Mountain and IT manager Larry Gaither from Winnsboro. The American Party was founded in 2014 by disaffected Democrats and Republicans who find one party too liberal and the other too conservative. Mulvaney, a founding member of the conservative House Freedom Caucus, has held his seat since 2011.

6th District Bluffton Republican Laura Sterling will challenge Rep. Jim Clyburn, the only S.C. Democrat in Congress. Clyburn has held his seat since 1993 and is the third-ranking Democrat in the House. Sterling, an entrepreneur, says that the “federal government is broken” and that in “this year of change” she hopes to make a difference.

7th District Myrtle Beach Republican Rep. Tom Rice, who has held the seat since the district was created in 2012, drew no challenge in the primary. Coker College sociology professor Mal Hyman was the only candidate to file on the Democratic side.

CORRECTION: The original version of this story omitted 5th District candidate Ray Craig, who filed his bid to challenge Rep. Mick Mulvaney on Wednesday.

Vera Bergengruen: 202-383-6036, @verambergen