Spain
There are fears the step could spark more protests.
Madrid could theoretically take control of police and finances, as well as calling a snap election.
King of Spain accuses secessionist leaders of 'irresponsible behavior'.
Spain divided: thousands protest police violence that injured 900 people.
More than 800 people injured as Spain plunged into a constitutional crisis.
Madrid dismisses 'extraordinary level of violence' claim.
All of Spain is baffled by what’s going on.
An impossible referendum is causing a social and political crisis between Spain and Catalonia.
British youngsters not among those seriously injured.