https://www.bloomberg.com/news/artic...ebel-catalonia
On fears of rioting on October, Spain has hired cruise ships to move police officers 2,400 at a time (to amass a force of 16,000) to quell the aforementioned riots. No idea what the politics are on that area, but they are really bracing for impact.
https://en.wikipedia.org/wiki/Catalan_independence