Tornado strikes Missouri amid severe weather threat in US

DES MOINES, Iowa — A tornado struck Missouri on Wednesday morning, causing an unknown number of injuries, as severe thunderstorms packing the threat of more hail and tornadoes were forecast across parts of the Midwest and South. The storms threatened a region that includes portions of the country still reeling from deadly weekend weather. The Storm Prediction Center said up to 40 million people from Chicago, Indianapolis, Detroit to Memphis, Tennessee, were at risk for storms later Wednesday, with the greatest threat from lower Michigan, across the middle to lower Ohio River valley and into the mid-South. Storms were moving…