A 2km exclusion zone has been declared in Western Australia's East Pilbara, with residents warned to remain indoors, after an incident involving a truck carrying chemicals.
Emergency services declared a HAZMAT incident 20km north of Newman in the Shire of East Pilbara on Wednesday.
The zone was put in place after an incident on the Great Northern Highway involving a vehicle carrying ammonium nitrate.
The hazardous chemical is used in fertiliser and explosives products.
Firefighters are on the scene and police are assisting with traffic management.
People are advised to stay away from the area.
People travelling along the Great Northern Highway between Newman and Karijini Drive in Juna Downs have been advised to take advice from emergency services personnel.
Those in the area are advised to remain inside, out of the smoke or fumes, with doors and windows closed.
Air conditioners should also be switched off.
People with medical concerns should contact their doctor or call Health Direct on 1800 022 222.
Motorists are asked to avoid the area, reduce speed and be aware of fire and other emergency services personnel.
Road information is also available from Main Roads WA.
