Mariano Rajoy

Court jails 2 Catalan independence leaders in sedition probe

Spain's confrontation with its independence-seeking region of Catalonia intensified Monday when a judge ordered the leaders of two pro-independence groups jailed while they are investigated on possible sedition charges for organizing demonstrations before the region's disputed secession vote.

The jailing of Jordi Sanchez and Jordi Cuixart, the heads of grassroots organizations Catalan National Assembly and Omnium Cultural, sparked an immediate outcry in Barcelona, Catalonia's capital. People banged on pots and pans, honked car horns and clapped in the streets.

The judge's order came nearly 12 hours after a Monday morning deadline passed without the president of Catalonia...