Challenger Nick Begich III has built a lead in the race for Alaska’s U.S. House seat, according to early results on election night.

Alaska voters were deciding a hard-fought race for the state's only U.S. House seat that could help decide control of that chamber. Alaska’s marquee House race featuring Democratic U.S. Rep. Mary Peltola and Republican Nick Begich was too early to call after initial vote totals were released Tuesday night.

Alaska voters were deciding Tuesday a hard-fought race for the state's only US House seat that could help decide control of that chamber. They were also choosing whether to repeal the state's system of open primaries and ranked choice general elections just four years after opting to give that system a go.