Spain-Catalonia: How can the constitutional crisis be resolved?

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A decision to reissue arrest warrants for several Catalan politicians has reignited the debate among Scots on the future of the province in north-east Spain.

Five former ministers in the devolved Catalan government were named in the warrants on Friday. But it was the inclusion of Clara Ponsatí that raised most eyebrows in Scotland.

The former education minister was serving in the Catalan government when it declared independence from Spain in October last year following a hugely divisive referendum - an event which was subsequently ruled illegal by the central court in Madrid.