Volkswagen Chief Winterkorn Resigns

It's been another day of high drama at Volkswagen's headquarters in Wolfsberg, northern Germany.

The revelation that the world's biggest carmaker has been caught cheating on its diesel car emissions tests has now claimed the job of VW's chief executive.

In his resignation statement Martin Winterkorn said Volkswagen needed a fresh start.

Our reporter Theo Leggett is in Wolfsberg, and filled us in on the day's events.

Plenty of people are drawing parallels between Volkswagen and BP, which was held largely responsible for the worst oil spill in US history and asked to pay $18bn in damages.

Reports suggest VW has hired the same law firm BP used to mount its defence after Deepwater Horizon.

Jim Holder is editorial director at the British publishing company Haymarket Automotive, which produces a range of car magazines.

We also sought his reaction to the news of Martin Winterkorn's departure.