FORT YATES, N.D. (KFYR) - UPDATE, Wednesday 8 a.m.
Authorities say two people were killed when a flash flood washed out a highway, causing a chasm up to 70 feet deep on a reservation in North Dakota.
Tribal chairman Mike Faith says the bodies of Trudy Peterson and Jim Vanderwal were recovered Tuesday on the Standing Rock Reservation in Sioux County.
Both are residents of Mobridge, according to the Mobridge Tribune.
The flooding overnight Monday washed out a section of a road over Joe Brush Creek, resulting in a hole that reservation roads officials estimate is 30 to 40 feet (9 to 12 meters) wide and 60 to 70 feet (18 to 21 meters) deep.
The drivers of a bus and a pickup truck were rescued and taken to hospitals after their vehicles plunged into the hole.
UPDATE 4:45 p.m.
Tribal Chairman Mike Faith says first responders pulled man's body from a river after the Native American Scenic Byway washed out south of Fort Yates.
He says the highway collapsed after flood waters inundated the culvert under the road.
The search for a missing nurse continues.
A nurse is missing after a road near Highway 1806 washed out Tuesday morning due to the rain, according to the Director of Transport at Sitting Bull College. The director says the nurse was on her way to the hospital for her shift, but didn't arrive.
The Native American Scenic Byway south of Fort Yates is washed out and impassible, according to a Department of Transportation spokesperson.
Standing Rock Sioux Tribe Chairman Mike Faith says they are also looking for a missing man in connection to the washout.
Water Rescue Team Commander Gary Schaffer says they believe three to four vehicles are in the water and a dive team is preparing for a water rescue. Schaffer says it's and unpredictable and dangerous situation.
The Bureau of Indian Affairs, as well and the Standing Rock Sioux Tribe are searching for the nurse. There is a possibility airplanes maybe involved in the search.
The director also confirmed that a Sitting Bull College bus was involved in an accident during the washout.
The bus driver was the only person on board the bus. Sitting Bull College said the driver is in the hospital for injuries caused by the accident and is expected to recover.
A pick-up truck was also washed off the road and the driver was taken to the hospital for his injuries but is expected to recover.