I don't think anyone is suggesting the EU should get 'involved'. It's just very telling that the EU is very willing to comment on events outside it's borders, Ukraine for example, but repression and police violence within one of it's member states is met with complete silence rather than...
And in another sign that the political elite in Spain ( alongside their EU puppeteers ) are scared ......... the thugs, sorry police, had no identification tags on. Hmmmm .......