Trolleys block an entrance at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Protesters block the roads leading to El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. The banners in the center read in Catalan "Freedom Political Prisoners" (AP Photo/Bernat Armangue)
A protester uses a fire extinguisher against police, not pictured, during a demonstration at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Riot policemen clash with protestors outside El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Riot police have charged at protesters outside Barcelona's airport after the Supreme Court sentenced 12 prominent Catalan separatists to lengthy prison terms for their roles in a 2017 push for the wealthy Spanish region's independence. (AP Photo/Emilio Morenatti)
Information panel shows canceled flights at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Police clash with protesters during a demonstration at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Protestors stand behind a banner reading in Catalan, "Freedom for Political Prisoners" at El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday convicted 12 former Catalan politicians and activists for their roles in a secession bid in 2017, a ruling that immediately inflamed independence supporters in the wealthy northeastern region. (AP Photo/Emilio Morenatti)
An Estelada pro-independence flag is waved among protestors at El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday convicted 12 former Catalan politicians and activists for their roles in a secession bid in 2017, a ruling that immediately inflamed independence supporters in the wealthy northeastern region. (AP Photo/Emilio Morenatti)
Catalonia's former regional president Carles Puigdemont, center, arrives to give a statement in Brussels, Monday, Oct. 14, 2019. A dozen Catalan politicians and activists have been convicted on charges of sedition, misuse of public funds and disobedience for their role in an illegal and failed secession attempt for the northeastern region of Spain in 2017. (AP Photo/Francisco Seco)
Protestors trigger a fire extinguisher at El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Riot police have charged at protesters outside Barcelona's airport after the Supreme Court sentenced 12 prominent Catalan separatists to lengthy prison terms for their roles in a 2017 push for the wealthy Spanish region's independence. (AP Photo/Emilio Morenatti)
A line of riot police stands in front of protestors outside El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Riot police have charged at protesters outside Barcelona's airport after the Supreme Court sentenced 12 prominent Catalan separatists to lengthy prison terms for their roles in a 2017 push for the wealthy Spanish region's independence. (AP Photo/Emilio Morenatti)
Protesters clash with police, not pictured, during a demonstration at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Spain caretaker Prime Minister Pedro Sanchez reads a statement at the Moncloa Palace in Madrid, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court Monday convicted 12 former Catalan politicians and activists for their roles in a secession bid in 2017 in a bombshell ruling that is likely to inflame independence supporters in the wealthy northeastern region. (AP Photo/Paul White)
Riot policemen clash with protestors outside El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Riot police have charged at protesters outside Barcelona's airport after the Supreme Court sentenced 12 prominent Catalan separatists to lengthy prison terms for their roles in a 2017 push for the wealthy Spanish region's independence. (AP Photo/Emilio Morenatti)
Police detain a protester during a demonstration at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
A dog walks outside the Supreme Court in Madrid, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court is set to rule on a rebellion and sedition trial against a dozen Catalan politicians and activists who were key protagonists in Catalonia's Oct. 1, 2017, independence referendum. (AP Photo/Paul White)
Former Catalan leader Carles Puigdemont, center, arrives for a media conference in Brussels, Monday, Oct. 14, 2019. Spain's Supreme Court has convicted 12 former Catalan politicians and activists for their roles in the secession movement of 2017. (AP Photo/Olivier Matthys)
Protestors raise their arms in front of a line of riot policemen outside El Prat airport in Barcelona, Spain, Monday, Oct. 14, 2019. Riot police have charged at protesters outside Barcelona's airport after the Supreme Court sentenced 12 prominent Catalan separatists to lengthy prison terms for their roles in a 2017 push for the wealthy Spanish region's independence. (AP Photo/Emilio Morenatti)
Police clash with protesters during a demonstration at El Prat airport, outskirts of Barcelona, Spain, Monday, Oct. 14, 2019. Spain's Supreme Court on Monday sentenced 12 prominent former Catalan politicians and activists to lengthly prison terms for their roles in a 2017 bid to gain Catalonia's independence, sparking protests across the wealthy Spanish region. (AP Photo/Bernat Armangue)
Incoming European Union foreign policy chief Josep Borrell arrives for a meeting of EU foreign ministers at the European Convention Center in Luxembourg, Monday, Oct. 14, 2019. Some European Union nations are looking to extend moves against Turkey by getting more nations to ban arms exports to Ankara to protest the offensive in neighboring Syria. (AP Photo/Virginia Mayo)