ELLSWORTH — Officials are investigating a fire that destroyed a propane-fueled bus that provided shuttle services to and around Acadia National Park.

The fire on an Island Explorer bus was reported around 7:30 a.m. today behind the Maine Coast Mall in Ellsworth. Nobody was injured.

Ellsworth Deputy Fire Chief Richard Tupper tells the Bangor Daily News that the fire started as passengers sat waiting on the parked vehicle, but that an alert passenger got everybody off before it became engulfed in flames.

Tupper said explosions during the fire didn’t come from propane tanks as initially feared, but rather from tires that were exploding because of the intense heat.

Fire officials don’t know how the fire started.

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