BAILEYVILLE, Maine — The fire that broke out Tuesday afternoon at the Fulghum Fibres wood chip mill was bad enough that fire crews were called from four communities and were expected to be on hand throughout the night, one official said.

“We’re not sure how it started, but it appears the building is probably a total loss,” Baileyville Police Chief Bob Fitzsimmons said about 7:40 p.m.

The fire was reported at 1:46 p.m. in a metal building used to process hardwood into chips for the Woodland Pulp mill, the police chief said.

Firefighters from Baileyville, Calais, Princeton, Alexander and St. Stephen, New Brunswick, went to the scene.

“Those guys have been here since the start and they’ll probably be here throughout the night,” Fitzsimmons said. “It’s pretty much under control, but there is a lot of equipment and a lot of stuff to go through [to ensure the flames are extinguished].”