New Delhi, March 21 -- Good news for BTS ARMY! The Bangtan Boys are back. After a four-year break, BTS, consisting of RM, Jin, Suga, J-Hope, Jimin, V and Jungkook, is all set to mark a comeback. On Saturday, the group will perform for free in Seoul, South Korea, where security has been tightened for the exclusive spectacle.

The performance will take place at the Gwanghwamun Square. About tens of thousands of fans are expected to attend the BTS concert from across the world. It officially launched BTS' months-long world tour as they will be performing across the United States, Europe and parts of Asia.

The hour-long concert arrived a day after BTS dropped its fifth album titled ARIRANG, which had already recorded several million preorder...