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
The 'Talk Pants' Campaign is to encourage parents to talk to youngsters without scaring them about potential abuse
Shocking CCTV footage showing the moment a man stole cash from a 91-year-old woman.
The two men were jailed in June 2015 after HMRC investigators linked them to 109 illegal postal imports of cigarettes and tobacco