US midterms: How the parties are doing in maps and charts

35 of 100 seats up for election

All 435 seats up for election

The Republicans have made some progress in the House of Representatives while the vote for the Senate is on a knife-edge.

Here is what we know so far about the results.

The House of Representatives is leaning towards the Republicans, according to projections from CBS News, the BBC’s partner in the US.