SEARSMONT, Maine — Investigators say they are still working to determine the cause of a deadly Friday fire and explosion at Robbins Lumber that drew 46 fire departments and 299 firefighters. Maine Fire Marshal Shawn Esler said “This remains a very active and complex investigation.” …Joel Davis, chief fire investigator for the state fire marshal’s office, said 30 ATF personnel are in Maine, working with 12 state investigators. They’ve interviewed 150 people so far. The briefing came five days after the fire and explosion killed a firefighter and injured 12 others, a mix of mill employees, firefighters and emergency medical personnel. Some are hospitalized in Boston and others are in Portland. The fire and explosion drew emergency crews from more than 45 departments, as water trucks streamed in and out of the lumber yard to help douse the flames. 

Related coverage by:

• Larry Adams in Woodworking Network: Massive investigation is underway
• Grace Blanchard in Fox News: Governor Mills intends to help those affected