The world of K-pop is in mourning today after South Korean singer and actress Sulli was found dead on Monday afternoon.
According to police, her body was found by her agent at her residence in Seongnam, south of Seoul.
Authorities are investigating the possibility of suicide as she had long suffered from depression.
A memo was found at her house, but police said it was not a suicide note and the content cannot be disclosed.
They say there were no signs of foul play.
The 25-year-old debuted as a member of girl group F(X) in 2009 and was in the band until 2015.
She was recently active on social media, and co-hosted a local TV talk show.