<p>Democratic nominee toppled the five-term Republican incumbent in one of the most hard-fought midterm contests</p><ul><li><p><a href="https://www.theguardian.com/us-news/live/2026/nov/03/midterm-election-results-live-updates">US midterm elections – live updates</a></p></li><li><p><a href="https://www.theguardian.com/us-news/ng-interactive/2026/nov/03/midterm-elections-full-results-senate-house-governor-races">Track live results from all 50 states</a></p></li><li><p><a href="https://www.theguardian.com/us-news/2026/nov/04/midterm-election-results-question-answer">Tell us: what do you want to know about the midterm election results?</a></p></li></ul><p>The Democrat Troy Jackson has won <a href="https://www.theguardian.com/us-news/maine">Maine</a>’s US Senate race, toppling five-term Republican incumbent Susan Collins in one of the biggest upsets of the 2026 midterms.</p><p>Jackson, 58, unseated Collins – who has been in the Senate since 1997 – in a closely fought, and often rancorous, race characterized by mutual accusations of corruption and clashes over living costs in the predominantly rural state.</p> <a href="https://www.theguardian.com/us-news/2026/nov/03/maine-senate-midterm-results">Continue reading...</a>