RedactedNarrative: Operator docked his vessel and purchased 55.5 gallons of gas, evenly distributing the gas between 2 tanks. Cabin door was believed to be open with victim 5 & 6 inside. Operator/victim #1 starts engine. Victim #4 was on the dock washing the boat down. Victim #2 was seated in the left area of the vessel. Victim #3 and #6 were in the rear of the vessel. The twin inboard engines and bilge were located below the 3 individuals located in the rear of the vessel. At least one engine running. When operator started the 2nd engine there was an explosion from the bilge area knocking victims 3 & 6 overboard into the water. Victim #2 fell into the engine compartment which blew the floor off. Victim #4 was blown back while on the dock from the force of the explosion. Operator/victim #1, victim 7 and victim 5 were able to escape the boat and get on the dock. The dock attendant was able to access a fire extinguisher and put the fire out. It is unknown if the blowers were turned on and proper fueling procedure was followed or if there was some sort of malfunction.
NameOfBodyOfWater: Boston Harbor
NearestCityTown: Charlestown