The head of the City Emergency Management Agency in St. Louis has now been placed on paid leave, as an investigation has been launched into why the city's tornado warning system was not activated ...

Tornado sirens are set to go off in Chicago Tuesday, but it won't be at the time of the usual monthly test, so why will they sound? The monthly test for May was moved back a week due to severe weather ...

CHICAGO (CBS)-- A malfunction was to blame for the sound of emergency warning sirens on Thursday in several northwest suburbs. The National Weather Service reported that the sirens activated in the ...