There seems to be more and more of this going on around Europe.
In the same week
Man City fans were attacked in Seville - by way of retribution for attacks in Manchester that had nothing to do with local blues - there has been another outbreak of fighting.
Fans clashed ahead of Fenerbahce's Group A game with Ajax in the Europa League. The disturbance took place in Amsterdam town centre, as Turkish ultras stormed their Dutch counterparts.
Riot police were called in to break up the commotion, but they had their hands full dispersing the trouble...
https://twitter.com/cnrrtpc/status/662302208793399296
https://twitter.com/AwayDays_/status/662306036494282752
