Three fire engines are currently tackling a fire at a scrap yard in Marshgate, Doncaster.
Crews from Doncaster, Edlington and Adwick stations were called to the scene just after 10:00am on Thursday.
South Yorkshire Fire & Rescue say the fire is now under control and crews are damping down.
They will remain at the scene for the next hour two.
Marshgate road is currently closed form the junction with York Road.
An investigation is due to take place once the fire is completely out.