For BTS fans across South East Asia, the group's reunion tour was meant to be the moment years of waiting finally paid off. Instead, for many, it has ended in heartbreak and empty bank accounts. With demand for tickets running far beyond supply, scammers have seized on the frenzy surrounding the Arirang World Tour, duping fans out of more than $100,000, roughly £74,000, across the region. From Indonesia and Thailand to Singapore, Malaysia, and t…