MORGAN CITY — The Louisiana State Fire Marshal's Office is investigating a fatal house fire that occurred on Sixth Street in Morgan City early Saturday morning. 

According to the Morgan City Fire Department, the fire began around 4 a.m. when a passerby noticed an unconscious victim at the doorstep of the home before moving the victim to a safe area and rendering aid until the Morgan City Police Department's arrival. 

Fire officials said the victim, a 35-year-old male, later died from his injuries. 

Upon fire crews' arrival, firefighters performed an aggressive attack while conducting a primary search. 

Due to the significant fire spread, reports of unknown additional occupants and nearby structures, the Berwick Fire Department was contacted for additional assistance. 

The home was considered a total loss.

The cause of the fire is under investigation by the Louisiana State Fire Marshal's Office.