DALLAS, Ore. (AP) — Three people died and one person was significantly hurt in a house fire early Sunday just outside Dallas, authorities said.

Authorities from multiple agencies responded just after 3 a.m. and found the house in flames, the Polk County Sheriff’s Office said. Polk County Public Works was also called to remove debris so fire and sheriff’s deputies could enter the house after the fire was put out.

The bodies of three people were found inside the residence. Their names have not yet been released.

Deputies also found near the scene three people who had managed to escape from the residence. One was taken to a Portland hospital and the other two were treated at the scene.

The fire is under investigation by the Polk County Sheriff’s Office and the Oregon State Fire Marshall.