2 alarm fire damages hangar building at Boston Logan

At 9:27 this morning Massport fire requested assistance with a fire at 204 Prescott St; Building 9 (The old TWA hangar). Fire was in an office area on floor 3 of a 3 story hangar building that was undergoing renovation. A second alarm soon followed as interior crews tried to locate the seat of the fire.  No aircraft were stored at the facility at the time. At 9:52 command reported the bulk of the fire was knocked down and companies were venting an extensive smoke condition throughout the structure. At 10:32 AM command reported via radio transmissions that the 2nd alarm companies were picking up and are returning in service. Chelsea and Cambridge fire departments also assisted at the scene. No injuries have been reported. The cause of the blaze is under investigation.