National Police Air Service Barton have released new footage of the fire in Salford taken from their helicopter.
Forty fire fighters were needed to bring it under control.
A nearby rail line was suspended for a time this morning over fears the building could collapse.
More top news
A Manchester City fan has been cleared of using racist language during the Manchester derby after stewards failed to show up for his trial.
Investigators have released images of two more people they wish to speak to about the Hillsborough tragedy.
Anthony Walker was murdered in a park in Liverpool in 2005. His family have spoken about their loss.