Protestors make a barricade during clashes with police 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)
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)
Police scuffle 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)
Police charge against demonstrators during clashes 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)
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)
Passengers walk past a line of riot police standing on the way of protestors outside 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)
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 crowd a street 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)
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)
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)
Young people hold up signs in Catalan reading "Everybody to the airport" during protests 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)
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)
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)
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)
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)
People wearing yellow ribbons in support of jailed pro-independence politicians and carrying Estelada pro-independence flags protest 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. Poster reads in Catalan, General Strike. (AP Photo/Emilio Morenatti)
People, some wearing yellow ribbons in support of jailed pro-independence politicians, protest 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. Poster reads in Catalan, General Strike. (AP Photo/Emilio Morenatti)
Protesters use makeshift barricades 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)
Protesters use makeshift barricades 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 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)
Catalonia's former regional president Carles Puigdemont 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)
Protesters trigger a fire extinguisher from a barricade during clashes with police 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)