Investigators have determined that the Forsyth County home in which two children were killed in an overnight fire on Saturday did not have working smoke alarms.

The Safety Fire Commissioner’s office released the findings Tuesday, three days after emergency personnel found siblings Shaun Noe Jr., 12, and Morgan Noe, 9, dead in an upstairs bedroom of a home near Apple Valley Court in the Lanier Heights subdivision off Pilgrim Mill Road.

The Forsyth County Sheriff’s Office responded to reports of a residential fire at 2:41 a.m. on Saturday, Oct. 5, but deputies were unable to enter the house due to the severity of the flames.

When Forsyth County Fire Department personnel arrived, the mom had escaped, but they found Shaun and Morgan deceased upstairs in a bedroom, according to the Safety Fire Commissioner’s office.

The cause of the fire is still under investigation by the Forsyth County Fire Department and state fire marshalls office with the help of the Safety Commissioner’s Office, but no foul play is suspected, it said.

In its findings, the Safety Fire Commissioner’s office urged families to formulate and practice escape plans in case of emergencies and to have working smoke alarms. The office noted that there have been 48 fatal residential fires in Georgia this year, of which only five of the homes had working smoke alarms.

“I cannot stress enough how important it is to practice an escape plan with your family in case of emergency and to have working smoke alarms in your home,” Safety Fire Commissioner John F. King said in a statement. “Unfortunately, this particular home did not have working smoke alarms at the time of the fire.”