On October 20, Red Velvet held its concert 'REDMARE' at the Star Theatre, Singapore.
![Red Velvet](http://img.sbs.co.kr/newimg/news/20181022/201240960_1280.jpg)
![Red Velvet](http://img.sbs.co.kr/newimg/news/20181022/201240956_1280.jpg)
However, JOY suddenly showed signs of discomfort in the middle of a performance, and the other members gathered by her side to check on her.
JOY was seen holding onto her right shoulder and could not follow the choreography properly.
![Red Velvet](http://img.sbs.co.kr/newimg/news/20181022/201240958_1280.jpg)
She said, "I really wanted to perform on stage no matter what, but I heard that I have to go to the hospital now."
![Red Velvet](http://img.sbs.co.kr/newimg/news/20181022/201240959_1280.jpg)
Red Velvet's management agency SM Entertainment further updated, "JOY was diagnosed with muscle strain after visiting the local hospital. She will undergo a thorough examination after arriving back in Korea."
(Credit= Online Community, SM Entertainment)
(SBS Star)