The race to represent Maine’s Second Congressional District, one of the most closely-watched in the nation that could help determine control of the US House of Representatives, is headed for a runoff, despite the objection of the incumbent, officials said.

The matchup between Golden and Republican challenger Austin Theriault in Maine's 2nd Congressional District was one of a handful of pivotal races still without a declared winner, with control of the U.

Votes will have to be redistributed under Maine’s ranked choice system to determine the winner of a key congressional race, election officials said. The campaigns of both Republican challenger Austin Theriault and Democratic Rep.