SEOUL, March 21 (UPI) -- K-pop superstars BTS returned to the stage Saturday night with a free comeback concert in central Seoul, marking their first full-group performance in nearly four years following the completion of their mandatory military service.

South Korean megastars BTS reunited for their first show in nearly four years in front of enormous crowds in Seoul for a K-pop extravaganza livestreamed to millions more worldwide.

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 spec

Over 250,000 fans congregated in Seoul on Saturday to see BTS’ comeback show, setting the record for the largest-ever public concert in South Korea.