When the Spanish judge pursuing Augusto Pinochet learns the dictator is about to leave London - for the safety of Chile - much sooner than expected, he makes a snap decision that will have enormous international consequences.
He needs Spain's legal machinery to act, but there's one big problem - it's a Friday afternoon, and almost everyone at Madrid's National Court has gone home for the weekend.
The Arrest is presented by Philippe Sands The series producer is Simon Tulett The editor is Matt Willis