Four photos that are on the further side of mental have popped up from the Schalke v Basel Champions League clash.
First off, these two photos are circulating on Twitter reporting that those pictured are Basel hooligans on their way to greet Schalke fans.
Then there was the Schalke pyro before the match began.
Here's a video of police breaking up the fan clashes before the match:
http://www.youtube.com/watch?v=S4BxPLPaZ-w&feature=youtu.be