At least 16 dead as storms touch off tornadoes and widespread flooding in central US

Parts of the South and Midwest were pummeled by relentless rain and tornadic storms on Saturday as a prolonged period of life-threatening flood risk reached its peak.

​ Parts of the South and Midwest were pummeled by relentless rain and tornadic storms on Saturday as a prolonged period of life-threatening flood risk reached its peak. Read More Breaking News, Latest News and Videos | CNN