KEY POINTS
  • Republican Sen. Cindy Hyde-Smith and Democrat Mike Espy are projected to advance to a runoff in the Mississippi Senate special election, according to NBC News. 
  • They are trying to replace GOP Sen. Thad Cochran in a special election. 
Sen. Cindy Hyde-Smith, R-Miss., attends her swearing-in ceremony in the Capitol's Old Senate Chamber after being sworn in on the Senate floor on April 9, 2018. 

Mississippi Republican Sen. Cindy Hyde-Smith and Democratic challenger Mike Espy will advance to a runoff for Senate, NBC News projects.

None of the candidates in Tuesday's special election to replace retired Sen. Thad Cochran are expected to reach the 50 percent mark needed to win outright. State Sen. Chris McDaniel is set to come in third..