Three people are dead and a regional airport has been heavily damaged after powerful winds including a tornado swept across the upper U.S. Midwest.

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,

Three people are dead and a regional airport was heavily damaged after powerful winds, including a tornado, swept across the upper Midwest, while nearly 150 million Americans were under a heat advisory or warning.