REUTERS/Susana Vera / File... Acquire Licensing Rights Read moreMADRID, Nov 19 (Reuters) - A Spanish military officer was arrested with a pistol at a demonstration against an amnesty law which will benefit Catalan separatists involved in a failed 2017 bid for independence, police said on Sunday. About 1,500 people took part in the demonstration, the 16th consecutive protest outside the Socialists' headquarters. El Confidencial, a Spanish news site, reported on Sunday that the officer had a private weapon that was not a pistol used for military purposes. The independence referendum was declared illegal by the courts and resulted in Spain's worst political crisis for decades. Sanchez has defended the law saying an amnesty would help to defuse tensions in Catalonia.

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Persons: Catalonia's, Susana Vera, Pedro Sanchez, Sanchez, Graham Keeley, Hugh Lawson Organizations: REUTERS, Zaragoza Military Academy, Socialist, Reuters, Socialists, Spain's Socialists, Spain's Socialist, Thomson Locations: Spanish, Madrid, Spain, MADRID, El, Catalan, Basque, Catalonia