Rainbow's member Hyunyoung posted about the sunken ferry.

On April 16, Hyunyoung posted on her Twitter, "What is happening. I sincerely hope that everyone gets rescued safely."

At this, internet users posted, "Let's pray together," "This is so sad, I can't sleep," etc.

The S Korean Ferry started sinking on April 16 on its way to the Jeju Island. Of 476 passengers, 174 were rescued and about 170 are still missing.

Photo Credit: Review Star