SEOUL, Aug. 14 -- Blackpink member Lisa has come under the spotlight after posting photographs from an apparent US trip as fans continued to voice disappointment over the group's 10th anniversary celebrations.

Kbizoom.com, citing Naver, reported that Blackpink marked its 10th debut anniversary on August 8 with a fan meeting at the National Museum of Korea in Yongsan, Seoul, but some fans criticised the event over its organisation and limited access.

The gathering was reportedly announced only two days beforehand and attendance was restricted to 40 people, leaving some fans unhappy that a major milestone had not been celebrated with more of the group's supporters.

The backlash also prompted scrutiny of how the four members responded to ...