NEW : Three confirmed dead in Ringgold , Georgia . NEW : Two people killed and one injured after a tornado hit the town of New Albany, Mississippi. Birmingham 's mayor says many people are missing and hundreds are injured . Alabama 's emergency management director says 25 people have been killed .
NEW : Three confirmed dead in Ringgold , Georgia . NEW : Alabama nuclear power plant loses power . Birmingham 's mayor says many people are missing and hundreds are injured . Alabama 's emergency management director says 25 people have been killed .