RedactedNarrative: On august 15, 2017, at approximately 3:50am, a boat explosion occurred at the hammond marina in hammond, indiana at 701 casino drive on "g" dock.  
  The explosion caused a fire in the vessel,  then causing damage to three other vessels and the hammond marina dock where the vessel was docked at. 
  All vessels have been determined a total loss due the damage caused by the fire.
  The cause of the fire has been determined as a gas vapor explosion onboard vessel.  
  The ignition source is undetermined at this time.  
  There were no injuries during the fire.  No persons were onboard any of the affected vessels during the time of the explosion.
  