Three volunteer firemen received minor injuries while fighting a house fire near Hartly Friday afternoon.

Investigators with the Delaware State Fire Marshal's Office is investigating a house fire that occurred the afternoon of Dec. 13 near Hartly. The blaze was reported by a passing motorist at 2:31 p.m., said Chief Deputy State Fire Marshal B. Scott Bullock. The Hartly Volunteer Fire Company was first on the scene in the 3000 block of Hourglass Road, just south of State Route 8. Firefighters found heavy fire involving the two-story single family home, and requested assistance from several other companies, including Marydel, Camden, Cheswold, Goldsboro, Md., and Dover. While fighting the blaze, two firefighters became trapped inside when a portion of the structure collapsed; they were rescued by additional firefighters on scene, Bullock said. A third firefighter also was injured during the operation. All three were taken to Bayhealth-Kent General Hospital by on-scene medical personnel and were treated for minor injuries. The fire was placed under control at 4:30 p.m., Bullock said. No one was home at the time of the fire and damage estimates are not yet known.