Catalonia's ex-leader Carles Puigdemont has been detained by German police acting on a European arrest warrant. Mr. Puigdemonnt, who is wanted in Spain for sedition and rebellion, was held crossing from Denmark on the way to Belgium, his lawyer said. Mr. Puigdemont had been on a visit to Finland since Thursday. He has been living in self-imposed exile in Belgium since Catalonia's parliament unilaterally declared independence from Spain in October....... Tensions in Catalonia are very high and its separatist leaders abandoned plans to name a new president following the arrest of the latest candidate, Jordi Turull, on Friday. Crowds of...