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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A number of people have been injured after a building collapsed in a suspected gas explosion in Wirral
Injuries have been reported and two buildings have collapsed in an explosion thought to have been caused by a gas leak.
Dry, fine and sunny this weekend across the NW. Maybe a touch more cloud around and slightly breezier on Mothering Sunday than on Saturday