WTF with security nowdays, seem that its too fuckin easy climp up stage. Here's a video how some insane fan run to robbie williams he could have a knife tho. 
http://www.liveleak.com/view?i=f00_1181285466
http://www.liveleak.com/view?i=f00_1181285466
That was awesome, I'mglad someone got that motherfucker to shut up. That was great. I love how he bitches and cried about hsis bruised knee and arm afterwards