The Afterguard: Judges admit error

Artemis Racing and Emirates Team New Zealand compete during America's Cup qualifying on the Great Sound in Bermuda on Monday, May 29, 2017. Photo / File.

It was the most controversial day of the America's Cup so far as the judges admit they got a crucial penalty call wrong in the Team NZ v Artemis dog-fight.

Laura McGoldrick discusses the drama with Trevor McKewen