- Published24 minutes ago
Millions of Americans are voting in midterm elections. The outcome determines which party - US President Donald Trump's Republicans or opposition Democrats - controls Congress and could have a significant impact on Trump's presidency.
Once polls close, it is possible the results will not be projected for several hours, days or even weeks. Here's what you need to know.
When will we know the results and who controls Congress?
Congress is made up of two parts - the lower chamber, the House of Representatives and the upper chamber, the Senate.
