Chicago - A wall at a Morton Salt storage facility has collapsed, burying several cars at a next door auto dealership in road salt.Company spokesperson Denise Lauer says a side wall broke on Tuesday afternoon on Chicago's northwest side, spilling road salt outside the facility and onto the neighbouring property. Morton Salt Inc is a more than 100-year-old company based in Chicago best known for its pourable table salt.No injuries were reported.Chicago Fire Department spokesperson Larry Langford says the collapse happened around 14:00. He says several cars are buried in salt. He says city engineers will look at the building's structural integrity.Chicago police spokesperson Thomas Sweeney says officers responded to a call about the collapse. He did not have further details.