On June 18, Yoon Do Hyun posted on his twitter, "Going to the emergency room this late at night. It's going to be uncomfortable for a while. I will take care of my body from now on."

Before this incident he had written, "I'm going to have a busy schedule next week so I'm going to relax and have fun this week. I'm on my way to ride my skateboard. Yay!" This message leads to the assumption that he might've hurt himself from skateboarding.

Internet users commented, "How did this happen?", "I was surprised to hear that you are going to the emergency room" and "I hope you are ok."