MT. PLEASANT, S.C.—Rep. Nancy Mace (R-S.C.) defeated challenger Katie Arrington in the South Carolina 1st Congressional District Republican primary on June 14.
With 95 percent of the votes reported at 11:17 p.m. ET, Mace received 53.06 percent of the vote followed by Arrington at 45.18 percent, according to Decision Desk HQ.