US: Georgia voters head to polls in Senate run-off

Voters in the US state of Georgia head to the polls this morning in a run-off election to determine who will represent them in the US Senate. Going up against Democratic incumbent Raphael Warnock is former pro-football player, Republican Herschel Walker. This is the last seat to be decided in the mid-term elections. Joining Nathan Rarere from Washington D.C is our correspondent Kate Fisher.