ST. LOUIS—A tornado that swept through southeastern Missouri before dawn Wednesday killed at least four people and injured an unknown number of others, authorities said. Sgt. Clark Parrott, of the Missouri State Highway Patrol, said the death toll from the early-morning storm might rise as crews sift through the rubble of damaged and destroyed homes…

GLEN ALLEN, Mo.—A large tornado tore through southeastern Missouri before dawn on Wednesday, killing at least five people and causing widespread destruction as a broad swath of the Midwest and South kept a wary eye out for further storms that could spawn additional twisters and hail. Wednesday’s severe weather was the third in a series…