The victims are between the ages of 5 and 79, according to the authorities.
Nescopeck is about 95 miles northwest of Philadelphia.
Authorities responded to the scene of a two-story house fire shortly before 3 a.m. Friday, according to a state police public information report. Three adults escaped unharmed, while the 10 victims were found dead inside.
“Firefighters made brave efforts to enter the house from the back, but were driven back by the flames and heat,” Police Lt. Derek Felsman said at a news conference Friday morning.
The victims were identified by state police as 19-year-old Dale Baker; Star Baker, 22; David Daubert senior, 79 years old; Brian Daubert, 42; Shannon Daubert, 45; Laure Daubert, 47; and Marian Slusser, 54. The three children killed were identified as two boys, aged 5 and 6, and a girl, aged 7.
“We are using the assets of multiple departments to ensure a thorough and complete investigation of this fatal fire,” Felsman said. The house was “completely destroyed” by the fire, national police said.
When asked if authorities were conducting a criminal investigation into the fire, Felsman replied that “it is currently a fire investigation.”
The cause of the fire is under investigation, Luzerne County District Attorney Sam Sanguedolce told CNN.
“If firefighters determine the cause was intentional and inflammatory, we will initiate a criminal arson investigation,” he said.
Pennsylvania Governor Tom Wolf said he was “heartbroken” by the death.
The American Red Cross said it is responding to the needs of those displaced by the fire with financial support and other services, including mental health resources for those affected and first responders.
“As this situation continues to develop, we are committed to the Nescopeck community and will, in coordination with local and county officials, provide our support and programs to help those affected by this tragedy,” Cross said. -Greater Pennsylvania Area American Red to CNN. in a report.
CNN’s Liam Reilly contributed to this report.