Those reportedly missing ranged from Oso-area homeowners to repairmen on work assignments and a group of girls at a slumber party.
Ron Thompson, whose home was destroyed, stopped by the evacuation shelter at Post Middle School in Arlington to find out if his friends turned up alive. "We lost a lot of good kids. I don't know what else to tell you. It hurts," he said before driving away.
A 4-month-old baby and her grandmother were also among the missing.
Helicopters and ground crews worked overnight searching for survivors in the mud, which is up to 15 feet deep in some areas.
Washington Gov. Jay Inslee described the scene as one of "total devastation" and declared a state of emergency on Sunday. "There is a full scale, 100 percent aggressive rescue going on right now," Inslee said.
[Image via AP]