At least one person is dead in Iowa after severe storms tore through eastern sections of the state.
The National Weather Service says a person in a mobile home was killed by a tornado in Nichols, Iowa, outside Iowa City.
No other injuries have been reported.
Twisters, high wind and hail toppled trees and cut off power to thousands in the region.
An Iowa City dispatcher says the community is "in disaster mode."
The National Weather Service says the University of Iowa campus is one of the sites hit by a twister.
Several student apartments have sustained major damage and the roof of a pedestrian mall collapsed.
A university spokesman says today's classes have been canceled.