Democratic nominee toppled the five-term GOP incumbent in one of the most hard-fought midterm contestsUS midterm elections – live updatesTrack live results from all 50 statesTell us: what do you want to know about the midterm election results?The Democrat Troy Jackson has won Maine’s US Senate race, toppling five-term Republican incumbent Susan Collins in one of the biggest upsets of the 2026 midterms.Jackson, 58, unseated Collins – who has been in the Senate since 1997 – in a closely fought, an