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
Pupils in Manchester say bullied youngsters should take inspiration from them, after they made their school safer.
Early rain clears southeast, then cool and breezy with showers. Saturday looks like the drier and brighter day of the weekend
Cloud and showery rain overnight. Sunshine & showers follow into Friday afternoon