Hazardous chemical spill from truck crash has partially closed Interstate 10 in Tucson, Arizona

A crash involving a commercial tractor truck hauling liquid nitric acid has led to evacuation orders as a hazardous spill prompted officials to close a portion of Interstate 10 in Tucson, Arizona, officials said.

​A crash involving a commercial tractor truck hauling liquid nitric acid has led to evacuation orders as a hazardous spill prompted officials to close a portion of Interstate 10 in Tucson, Arizona, officials said.