RedactedNarrative: Unknown vessel w/good samaritan called USCG to report explosion on Vessel #1.  One person was blown off boat, other two jumped into water because of fuel fumes igniting when "blower" was engaged.  Vessel burnt to waterline and was total loss.  All three people were picked up by good samaritan and brought to EMS at Harbor Beach, from there to Harbor Beach Community Hospital.  One female was 13 weeks pregnant.  She suffered burns and broken finger as well as leg injuries.  Male/Operator suffered hearing loss from the explosion, and third male suffered burns.  All injuries were mild and treated at local hospital.  Rest of boat was taken out of water by salvage company.   Vessel #1/sailboat was returning from a race.  All 3 people were unaware of fumes from the gas and once blower was on, it ignited and exploded.
NameOfBodyOfWater: Lake Huron
NearestCityTown: Sherman Township              