On September 7, a concert took place at the Gocheok Sky Dome in Seoul for the upcoming '2018 PyeongChang Winter Olympics'. The lineup included BTS, Block B, B.A.P, VIXX, BTOB, AOA, MAMAMOO, Red Velvet, SPICA, Oh My Girl, KNK, and more. But according to witness accounts by fans from other fandoms as well as from regular attendees, ARMYs were, unfortunately, negatively perceived by many. 

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Attendees at the event claimed that BTS fans not only intruded into seats designated to other fandoms, but also blocked peoples' views by standing on top of the chairs when BTS came out to perform. BTOB fans, or Melody, especially had some specific complaints about ARMYs behaviors, saying, "We first politely told them these seats are reserved for the BTOB fandom but they ignored us and sat down anyway." 

Other fandoms also added, "The event was carried out in an orderly fashion for 3 hours until ARMYs destroyed it. They hit others with their bags as they were running out, pushed chairs, and even cursed at other fandoms when they asked them to move." 

Photos of BTS fans and their supposedly unmannerly behavior can also be found below.