According to Belvidere fire chief Shawn Schadle, five people were seriously injured, five people were slightly injured and eighteen people had moderate injuries in the concert hall. There were 260 people in the concert hall for a concert by the death metal bands ‘Morbid Angel’, ‘Revocation’ and ‘Skeletal Remains’.
Belvidere, a town of 25,000 people in northwest Illinois, is about 60 miles from Chicago. At the time of the accident, wind speeds of up to 145 kilometers per hour were measured.
A week earlier, a tornado in Mississippi and Alabama killed at least 26 people.