When will we know who won US midterm races — and what to expect on election day

We may not know the winner of key races until later in the week - here's what to look out for on election day and the days and weeks after

Tuesday 8 November marks the first general election day since Donald Trump tried to overturn the results of the 2020 presidential race.

Millions Americans will have already cast their ballots, either by mail or in person, and millions more will show up to do so in person. These votes are being cast at a moment in which the US election system has come under attack like never before.