Three fire departments responded to a Dune Road, Bridgehampton, house fire early Saturday morning.
The Bridgehampton Fire Department was dispatched at 5:48 a.m. after an alert from the oceanfront house's automatic fire alarm. Heavy smoke was reported coming from the two-story structure.
Fire chiefs called for the Rapid Intervention Team from the Southampton Fire Department. They also asked for an engine from the Sag Harbor Fire Department to stand by at Bridgehampton's headquarters and then asked for that engine to assist at the scene.
An engine from the East Hampton Fire Department and an ambulance from the Sag Harbor Volunteer Ambulance Corps were called to stand by at the Bridgehampton firehouse.
Officials asked PSEG Long Island to shut off the electricity to the house.
Update 7:27 a.m.: Additional assistance was called from the Amagansett Fire Department.
Update 2:55 p.m.: The Suffolk Arson Squad was investigating what was described as a suspicious fire at 187 Dune Road in Bridgehampton.
No one was in the home upon the arrival of Southampton Town police and Bridgehampton Fire Department chiefs.
Firefighters were on scene until about 12:30 p.m. They had broght the fired under control by about 10 a.m.
The East Hampton, Sag Harbor, Amagansett, North Sea, Southampton, and Hampton Bays fire departments responded, as did Southampton Volunteer Ambulance.
Detectives from the arson squad and Southampton Town police remained on the scene, along with the Southampton Town fire Marshal's office, Saturday afternoon.
One firefighter suffered heat exhaustion and was transported to Southampton Hospital, where he was treated and released.