A little more detail here:
http://www.bbc.co.uk/sport/0/football/25866962
I get the feeling that no-one is going to come out of this one looking good, although I hope I'm wrong.
He has been facing allegations that he mis-appropriated some payments as part of the Neymar signing in the Summer and has now fallen on his sword.
I doubt we've heard the last of this one mind, could be the tip of a nasty iceberg.