Live updates: 40 dead as storms head east; over 360,000 customers without power
At least 37 people have died across seven states as powerful storm systems swept through the Midwest and the South.
At least 37 dead after tornadoes, wildfires and dust storms wreak havoc across multiple US states
Unusually vicious and damaging weather across multiple US states spawned violent tornadoes and left at least 37 people dead.