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.
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The latest weather update plus viewers' photos for ITV Granada
Not a bad Bank Holiday weekend - mostly fine, sunny and warm! Always warmest further west
Mainly low to moderate over the next few days... small amounts of grass pollen in the air in the warmest, driest weather