A truck has caught fire near the R59, close to Heidelburg Road in Johannesburg, where a protest is currently underway.
Gauteng traffic police are advising motorists to avoid the area and use alternative routes.
Spokesperson Sello Maremane says motorists should also avoid the Kliprivier and Heidelburg Road.
Gauteng traffic police are on the scene to monitor traffic. Members of the public are warned that any person who commits looting will face the full might of the law.