A house in Brighton Plantation was destroyed by fire Sunday afternoon, officials said.

Smoke detectors shortly after 4 p.m. alerted the couple living at 590 Brighton Road to the fire at their home, the cause of which was still under investigation Monday, Athens fire Chief Brett Strout said.

The couple made it out unharmed.

Given the house’s remote location in the Somerset County plantation — “way back” off a state road, between Athens and Brighton — firefighters from Canaan, Cornville, Harmony, Hartland, Madison, Skowhegan and Solon were summoned soon as the call came in, Strout said.

Firefighters were unable to enter the building, so the first crew to arrive worked to extinguish the blaze from outside, Strout said. Two floors collapsed while they worked.

Firefighters brought in an excavator to “peel sections of floor out” that had caved in.

The last firefighters left the scene just before 9 p.m.

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