Before I transfer or make any move, just tell me what are we supposed to do in this thread?
In short, the problematic part of the Juve ultras show support and solidarity to their colleagues from the Dinamo Zagreb ultras.
Here is a translation of the article:
Even the Bad Blue Boys (Dinamo Zagreb fans) were surprised by the banners that were used on Juventus-Udinese.
"Solidarity with the Ustasha* from Zagreb" was writen on one banner, while in other banners the Juventus fans wrote "Guys from Zagreb, don't give up"
The photos we received here made us research more, but the Bad Blue Boys said "We didn't even know that we're in good relation with the Vikings"
The ultra group Viking Juventus was founded in the early 80's and won respect on the fan scene in Italy. The Vikings are known as an extreme group of "real hooligans" that never restricted themselves from fighting, whenever needed.
The Juve fan forums show us the motives of this gesture from the Vikings;
"We're supporting them because of the way UEFA treats the Boys i.e the sanctioning of Dinamo in the European competitions. Viking Juve have huge respect for the Bad Blue Boys, and we consider them to be the only group in Europe that, every time their club plays away matches, they occupy the town and creates a spectacle".
The Vikings also say that they had these banners as a sign of solidarity with the Bad Blue Boys, as the only group that makes a mess in every town.
Apparently, due to this message, the Vikings had a fight with the other fan groups in the stadium (the other Juve fan groups).
* The name Ustasha tells very well what you can expect from these Dinamo fans. See more about the Ustasha here:
http://en.wikipedia.org/wiki/Ustaše
rock on!
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To discuss their motives.... 
