According to a representative, Kim Bum Soo was practicing jumping on a trampoline when he suddenly twisted his ankle and injured his knee. 

His agency stated, "We are currently looking into his exact condition. It has been revealed that his cruciate ligaments have been damaged, and we are currently waiting for the results."

"Because this is Kim Bum Soo's first variety show, he had a lot of determination, and this incident was also partly caused by his ambition to be a helpful part of the program. Kim Bum Soo kept asking if he could continue filming following his injury, showing his persistence."

The singer was unable to attend his radio show schedule, and Jo Jung Chi-Harim were appointed as temporary DJs for the June 11th broadcast and Park Ji Yoon will fill in on the 12th.

We wish Kim Bum Soo a safe and speedy recovery!