CANYON LAKE, Ariz. - Two people were injured in an accidental boat explosion on Canyon Lake Saturday, authorities said.

According to Maricopa County Sheriff's Department, the boat's engine caused the explosion that resulted in a fire.

The two people on the boat have injuries that appear to be non-life threatening, MCSO said. A 7-month-old was flown to a local burn unit for injuries to the arm. The other victim has minor injuries to the legs.

The fire was contained to the one boat, authorities said.

MCSO is investigating.