Firefighters tackling the fire at a recycling plant in Salford say the building could collapse.
It is thought the building will collapse in on itself, rather than outwards.
There are no other buildings surrounding it that are causing significant problems.
More top news
A new CCTV image of a wanted Lancashire sex offender has been released by police.
Burrill, of Gordon Street, was found guilty of killing Daisy Mae Burrill following a nine day trial at Preston Crown Court yesterday.
Ukip has "formally reprimanded" Mike Hookem over a scuffle with colleague Steven Woolfe which landed the latter in hospital.