Police, firefighters responding to partial building collapse in Aurora, Illinois

Police and firefighters are responding to a partial building collapse in Aurora, Illinois, Wednesday night.

It happened just after 6:30 p.m. in the 100 block of East Galena Boulevard.

Aurora police said scaffolding and part of a brick building's exterior wall fell onto the roadway. Initial reports say cars were located underneath the debris.

Firefighters have evacuated the building as a precaution. Crews are also using a drone to assess the upper portion of the building, police said.

So far, no injuries have been reported. Police said no one needed emergency shelter.

It is unclear what caused the partial collapse.

The intersection of Broadway and Galena Boulevard is closed in all four directions. Police are advising the public to avoid the area and use an alternate route.

This is a developing story. Check back with CBS News Chicago for updates.