Republicans are favored to gain control of the Senate. Get the latest live election results as they are updated in real-time on Euronews
Democrats hold a slim majority with 51 seats, including four independents who caucus with them, while Republicans hold 49 seats.
This year's election is set to shape the legislative landscape for years to come, with both parties fighting for every possible seat.
Below are the latest results and the real-time forecast for each race.
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