Economy of Catalonia closer to Eurozone than Spain (infographic)
No wonder Spain wants to keep region attached to country
Chaos in Catalonia: Spanish police break into polling stations (videos-photos)
Catalan government days 38 people have been injured
Catalonia referendum: Catalans occupy polling stations to protect vote against government crackdown (PHOTOS)
Catalan authorities believe around 60% of the 5.3 million eligible voters will take part in Sunday's vote