The fire that engulfed a Dagenham block may have started from building materials kept on the scaffolding, according to the Institution of Fire Engineers (IFE).

The IFE said “preliminary investigations” suggest the materials’ flammability, along with the scaffolding’s “open, vertical structure” may have accelerated the spread of the fire at the Spectrum Building, which required 40 fire engines and 225 firefighters to put out.