Trump v Biden: Which states are left to be called and when are we likely to see a result?

An election worker handles ballots as vote counting in the general election continues at State Farm Arena in Atlanta, Georgia. Picture: AP Photo/Brynn Anderson
Depending on where you’re following the proceedings, Joe Biden is leading Donald Trump in the US Presidential race by either 253 delegates to 213, or by 264 delegates to 213 right now.
With some key states still calculating their tallies, how are things likely to play out from here, and what needs to happen for us the see a definitive result?