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
Temperatures take a dip over the next few days and nights. Cold wind from the east sets in by the weekend
Wigan's Will Grigg has spoken of his career-high moment after scoring the goal to knock Man City out of the FA Cup.
Prize in memory of Caroline Aherne, who died in 2016