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Slideshow: An outbreak of early-season tornadoes

Gary Cosby Jr / The Decatur Daily via AP

Greg Cook hugs his friend David Derrick at East Limestone community on Friday, March 2. A reported tornado destroyed several houses in northern Alabama as storms threatened more twisters across the region Friday.

Severe storms and tear through the midwest and southern states.

Multiple tornadoes tore paths across Alabama, Kentucky, Tennessee and Indiana on Friday, leaving an undetermined number of people injured, and homes and businesses destroyed, emergency officials and forecasters said. 

A "very large super-cell" of tornadoes touched down in northern Alabama early in the day, damaging homes and a prison and injuring at least four people. In southern Tennessee, another twister ripped 20 homes off their foundations and submerged boats, officials said.

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