At least three people were killed in North Dakota after severe weather swept across the region overnight, authorities said.The Cass County Sheriff's Office said it was dispatched to rural Enderlin, North Dakota,

At least three people are dead in rural North Dakota after tornadoes left damage across eastern areas of the state, the Cass County Sheriff’s Office said in a release Saturday.

While North Dakota sees an average of about 23 tornadoes a year, fatalities are rare, National Weather Service data indicates. The last tornado to claim three or more lives in the state was a July 4, 1978, storm that killed five people in Elgin. It was recorded as an F4.