President of Cataonia Carles Puigdemotn (C) leads Catalan mayors during a demonstration on September 16, 2017 in Barcelona, Spain. 712 Catalan mayors who have backed the independence referendum were summoned by Spain's State Prosecutor over the independence vote, threatening arrests over non-cooperation. The vote on breaking away from Spain was called by the Catalan government for October 1, 2017 but was suspended by the Spanish Constitutional Court following a demand from the Spanish Government. Catalan and Spanish security forces have been instructed by Spain's Public Prosecutor's Office to take all the elements which could promote or help to celebrate the referendum. (Photo by Xavier Bonilla/NurPhoto via Getty Images)
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