Fire crews say they have made 'significant progress' in controlling the large fire at the M&R Recycling Unit at the Felinfach industrial estate in Fforestfach, Swansea.
The fire involved commercial waste, 4,000 waste tyres, and scrap vehicles.
Over 70 firefighters from Mid and West Wales Fire and Rescue service have been involved in tackling the blaze from 6am Monday morning.
They will remain in place for the rest of the day.
Firefighters have extinguished the blaze at a scrapyard at Fforestfach Industrial Estate. The fire involved over 4,000 tyres.
Over 70 firefighters are currently tackling the fire, which is now confirmed to be at a scrap yard.