OKLAHOMA CITY, Okla.—Rep. Markwayne Mullin (R-Okla.) on June 28 secured the most votes in the Republican primary for the U.S. Senate but did not clear the 50 percent threshold necessary to avoid a runoff.
With 73 percent of the votes reported at 10:33 p.m. on June 28, Mullin received 43 percent of the vote followed by T.W. Shannon, who advanced with 17 percent, according to Decision Desk HQ.