Accidental, and yes, they are trying to determine whether smoke detectors were in working order. Ive seen the fire, like, i guess the smoke coming out of the windows. Reporter jose rosa heard noise and checked the apartment next door. Neighbor richard reid heard banging at his front door. Yelling get out, get out, fire, fire, fire. We got out. Its thats it. Reporter he ran out and saw the unit upstairs on fire. It was pretty scary. Pretty scary. I dont know, the flames were just unbelievable. Unbelievable. Ive never seen anything like that. Reporter this woman lives on south ninth street and tried to help. Neighbors say a family of four stayed in the apartment, including a teen daughter and young adult son. The nicest people. Should not happen to the nicest people. Reporter san jose firefighters did not describe the relationship with the victims, but say four people were rescued. The Coroners Office said three people have died. They believe there are 14yearold girl, a 28yearold man and