SEOUL, South Korea — K-pop supergroup BTS returns Saturday with a massive, free comeback concert in Seoul, where thousands of police are locking down a central boulevard for the Netflix-exclusive spectacle expected to draw tens of thousands of fans. The performance at Gwanghwamun Square launches a monthslong global tour spanning dozens of shows across the United States, Europe and Asia. All […]... Keep on reading: BTS stages comeback concert in Seoul after four-year break