The first returns in Tuesday’s special election for county supervisor show Chula Vista Mayor John McCann and Imperial Beach Mayor Paloma Aguirre in the lead to advance to a runoff later this year.

A total of 13 vote centers are open in San Diego's First Supervisorial District for the final day of voting to replace former San Diego County Supervisor Nora Vargas.

Seven candidates are running for the South County seat. Here’s who they are, and what they told us about their priorities, positions and more.