Few minutes prior to the explosion, in the Medical Bay, stood DK, after completing his task given by the Captain. As he stood, he wanders what should he do next. He walked out of the Medical Bay and saw Ketchum at Cabin 8 entrance. Without saying a word, DK proceed and walked to the Lounge. There, he continues on thinking if anything was amiss.
Suddenly, a loud explosion was heard. DK just sat there and tilt his head saying,
"It wasn't me..........."
DK probably saw a few people running to the bay and a few people running to the opposite direction but there's no clear image on who it actually was. He stood up and raised his hands and said,
"It wasn't me..........."