Turek is on the left and Hinson on the right, both head and shoulders shots in black and white against a coloured background of red, mauve and royal blue, with stars.
Image caption,

Opponents in Iowa - Democrat Josh Turek and Republican Ashley Hinson

  • Published57 minutes ago

Millions of Americans are about to decide the future of the Republican-controlled Congress in a midterm election that will have a significant impact on President Donald Trump's final two years in office.

All eyes are on a handful of Senate races that will decide control of the prized upper chamber.

A four-seat gain by Democrats would give them control - and with it the power to limit Trump's ambitions, reject his judicial nominations and investigate his administration.