Barcelona metro stations were closed, pickets blocked main roads and civil servants walked out on Tuesday in response to a strike called by pro-independence groups after hundreds were injured in a Spanish police crackdown on a banned independence referendum, Reuters writes. 

The stoppages, originally billed as a region-wide general strike but disavowed by the country’s largest unions, affected the public sector, public transport and basic services.

Normally busy metro stations in Barcelona were deserted as services were cut back sharply, pickets blocked traffic on Gran Via street and traffic on six major highways in the region was disrupted by protests.

Pro-independence groups and trade unions in Catalonia called a general strike for Tuesday after Spanish police forcibly tried to close polling stations on Sunday after a referendum on Catalan independence from Spain was banned by the constitutional court.

Scenes of armored Spanish police swinging truncheons and firing rubber bullets at peaceful voters have been widely condemned, with the European Union calling for talks to break the stalemate between Madrid and Barcelona.

On Sunday, Prime Minister Mariano Rajoy said the ballot had failed, while Catalan leader Carles Puigdemont vowed to continue with the independence process after millions voted to leave.

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