FT had a lot of coverage, if you're looking for a non-South African source (linking behind the paywall is probably not going to work, but you can Google for it).

https://www.bloomberg.com/news/articles/2017-09-22/kpmg-unde...

https://www.telegraph.co.uk/business/2017/09/15/kpmg-south-a...

https://www.reuters.com/article/us-kpmg-safrica/kpmgs-south-...

http://www.bbc.com/news/business-41283462

It's also been extensively covered in the South African media.