Millions of Americans vote in midterms seen as a referendum on Donald Trump's presidency. Republicans fight to keep Congress majorities amid anger over the economy after the Iran war spiked fuel prices.
Polls close at 6pm EST; first results expected soon. Most polls predict Democrats will win the House majority; some show a Senate flip. A New York Times-Siena poll shows Democrats leading toss-up Senate races, raising chances of a "blue wave".
Senate: 35 seats up; Democrats need a net gain of four. Best chances in North Carolina, Maine, Texas, Ohio, Kansas; tied in Iowa and Alaska. Must hold Michigan amid infighting.
House: all 435 seats up; about 20 races decide control; prediction markets favor Democrats. California votes on the first US wealth tax — a 5 per cent levy on billionaires; former UK aide Steve Hilton trails in the governor race.
Source: Financial Times Markets · Summarized by HeadlinesBriefing