Storm systems sweeping across the Midwest have left at least 16 dead, including nine people killed after a tornado sparked what authorities called a mass casualty event in southeastern Kentucky. Kentucky authorities said there were also severe injuries when a twister tore across Laurel County late Friday,

In Kentucky, some 14 people were killed by severe weather, and the death toll is likely to rise, according to Gov. Andy Beshear. Local authorities in Laurel County, in the state’s southeast, said nine people were killed after a tornado touched down.