A huge manhunt is under way for Catalan separatist leader Carles Puigdemont, who returned to Spain on Thursday after almost seven years in exile despite being wanted on an arrest warrant. Puigdemont appeared in Barcelona in the morning, accompanied by politicians from his liberal Junts party, and addressed a crowd of supporters. “Today I have come here to remind you that we are still here because we have no right to give up,” he said of the fight for Catalonia’s independence from Spain. “They have been persecuting us for seven years just because we wanted to give a voice to the people of Catal…