Pittsburg Fire Department respond to an unoccupied house fire at 419 E 10th street. Crews arrived around 2:20a.m. Monday morning to a fully involved fire and remained on scene for several hours. No one was injured. The Kansas State Fire Marshal's Office was contacted for assistance. The cause of the fire is still under investigation at this time. Anyone with information is asked to contact the Pittsburg Fire Department at 620-231-1870 or Pittsburg Police tip line at 620-231-8477, callers may remain anonymous.