An uncontrolled fire in an urban area affecting residential or commercial properties. Urban fires occur primarily in cities or towns with the potential to rapidly spread to adjoining structures. They can damage or destroy homes, schools, commercial buildings and vehicles. Urban fires can be the result of an explosion, arson or accident.
Image: Firefighters extinguish a blaze in the White Bay Hotel, Sydney, NSW 2008, ManWithToyCamera (Flickr)