The first general election since Donald Trump became president is being held, with various state and local elections taking place.
The results of these contests will be seen as either a repudiation or approval of Trump's agenda, particularly in high-profile races for governor in Virginia and New Jersey, New York City mayor, and a California proposition.
More than half of the states will hold contests on Tuesday, with the outcomes being closely watched.
The results will be heralded by the victors as either a major repudiation or resounding stamp of approval of his second-term agenda.
Author's summary: Elections are being held across the US, with Trump's agenda on the line.