Entertainment·NewK-pop sensation BTS ends 4-year hiatus with free comeback concert in Seoul After a four-year break, K-pop supergroup BTS returned Saturday with a massive, free comeback concert in Seoul, where thousands of police locked down a central boulevard for the Netflix-exclusive spectacle that drew tens of thousands of fans.Hour-long concert comes after Friday's release of new album, ARIRANGThe Associated Press · Posted: Mar 21, 2026 11:34 AM EDT | Last Updated: 25 minutes agoPlayListen to this articleEstimated 5 minutesThe audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results.K-pop group BTS performs onstage during a comeback concert at Gwanghwamun Square in Seoul on Saturday. The free concert was the group's first performance in nearly four years.…