SEOUL, Nov 10 — K-pop singer Hyuna took to social media to apologise to fans after collapsing on stage in Macau.

Hyuna, 33, whose stage name is a shortened version of her birthname Kim Hyun-ah, had collapsed while performing her iconic solo hit Bubble Pop.

Video online showed her collapsing midway and then being carried offstage by her dancers and a member of staff.