New Delhi, Sept. 30 -- Voters in United States of America will go to the polls on 3 November to elect a third of the US Senate and all members of the House of Representatives in what are known as midterm elections.

The Republicans currently have majorities in both chambers of Congress. But their prospects of retaining this control look increasingly dire, according to Bruce Stokes, Associate Fellow at the US and North America Programme at the British think tank Chatham House.

The Republicans' chances have been dragged down by President Donald Trump's near-record low public approval rating and voter dissatisfaction with his handling of the Iran war and the economy, among other things, Stokes wrote.

"Democrats appear poised to take advant...