US election results live: Hillary Clinton winning key states

With less than 24 hours to go until Election day, Hillary Clinton and Donald Trump are preparing to cross the finish line, as they make their final pleas to voters.

Mr Trump plans to campaign in critical swing states – Florida, North Carolina, Pennsylvania, and New Hampshire – with less than 24 hours to go before the big day. Ms Clinton is making her case to white working class voters in Michigan.

Here is what you need to know before the election:

• Five things we still don’t know about Donald Trump’s agenda
• Five things we still don’t know about Hillary Clinton’s agenda
• Who is winning between Hillary Clinton and Donald Trump?
• When will we know if Trump or Clinton has won?
•  What is the electoral college system and how does it work?

Please check back for more live updates.