A special election will be held on Friday, August 15, for residents of the rural Puna region. Two voting precincts in the region were closed during Saturday’s primary as Tropical Storm Iselle battered the Big Island.

Roughly 8,000 registered voters who were unable to cast ballots will likely decide the outcome of the hotly contested Democratic primary for U.S. Senate. The race between U.S. Sen. Brian Schatz and U.S. Rep. Colleen Hanabusa remains too close to call.