The FBI and Chicago police responded to a downtown federal courthouse for an "undisclosed incident" on Tuesday.
Breakdown
- FBI and Chicago police are responding to a security threat at the Dirksen Federal Building. 16s
- The building is located in Chicago's South Loop. 6s
- Police tape is up and entry to the building is currently restricted. 29s
- Officials have not released specific details about the threat. 22s
- The situation remains active and updates will be provided as available. 37s