At the start of a major FIFA press conference, UK prankster Simon Brodkin (aka Lee Nelson) showered Sepp Blatter with fake money as a bribe for awarding the 2026 World Cup to North Korea.
http://www.bbc.co.uk/news/world-europe-33591332

Aside from him asking "Where is my security?", after Brodkin was escorted out, Blatter told the assembled press "Ladies and Gentlemen, we have to clean this first." I took that to mean the money needed to be laundered!
[Edited 2015-07-21 06:14:18]