RedactedNarrative: On the evening of Saturday July 21, 2018 at approximately 6:05pm, I, Conservation Police Officer, responded to a boat explosion at the Grafton Marina. Upon arrival, 2 victims were pulled from the water and were on the gas dock. Both victims were recieving aid from bystanders on the dock. The boat was in the water at the mouth of the marina still burning from the explosion. Both victims were seriously injured and airlifted to Mercy Hospital in St. Louis. IDNR BAT team members arrived to assist in the incident.The boat was totally destroyed and in pieces in the water. More information to follow when a thorough investigation is conducted as information is collected.