House special election

Democrat Analilia Mejia faces Republican Joe Hathaway in a New Jersey House special election to replace Gov. Mikie Sherrill. Mejia's primary victory earlier this year was a progressive win, and she is expected to defeat Hathaway. Polls close at 8 p.m. EDT.

NBC News chief data analyst Steve Kornacki analyzes real-time vote tallies for a New Jersey House special election to determine who will replace Rep. Mikie Sherrill, now the state's Democratic governor. The coverage includes a behind-the-scenes look at election night reporting.