Both K-pop acts have been announced as performers for the music festival's first day
Their brand-new mini-album 'VarioUS' is out now
"It just doesn't feel right celebrating at a time like this," the organiser's statement read
LOONA will now be performing as a group of nine, with the additional absence of Chuu due to "prior commitments"
Tickets to the European K-pop festival's November event in London go on sale this week
Former NU’EST member Hwang Min-hyun is also set to MC all three days of the K-pop festival
They join Hyolyn and Brave Girls on the lineup
Eunha, SinB and Umji also tell NME about their favourite ‘Queendom’ performances and advice to rookie groups
Watch the music video for new single 'Loveade' here
The mini-album drops later this week