Greater Manchester Fire and Rescue Service are using a tactic to let the fire burn out in a controlled way.
Andrew Heywood told ITV Granada Reports: "It's large quantities of flammable material, paper, plastic that's been shredded and compacted...So there is a massive fireload in that building and it will continue to burn for days".
More top news
A man whose wife and son died at Furness General Hospital says he has never received an apology for failings which led to their deaths.
4cm snow recorded over Shap - sunshine and showers for Tuesday, snow over hills. Windy and cold. Icy into Wednesday, then less cold
After a most unusual trial in Brooklyn, jurors now must decide whether Abid Naseer plotted to blow up a Manchester shopping centre.