Catalan MPs have elected a fervent separatist as the new chief of the region, ending a leadership vacuum of more than six months and setting the scene for more confrontations with the Spanish government. Quim Torra, 55, a former corporate lawyer who went on to lead a prominent pro-secession group, vowed to build an independent Catalan republic by working under the leadership of his fugitive predecessor, Carles Puigdemont.