Firefighter Stephen Hunt got into difficulty inside the building at around 8.35pm, along with another firefighter, Greater Manchester Fire and Rescue Service said.
Both were pulled out by their colleagues and treated by the Ambulance Service before being taken to hospital.
More top news
The South African Salvation Army has used a picture of a dress that sent the web into meltdown to raise awareness about domestic violence.
With heavy rain continuing across much of western Scotland the Met Office has issued an "amber" warning from 6pm today until 6am on Sunday.
As Liberia celebrates its 'last Ebola patient' Sierra Leone sees its hopes of being free of the disease dashed.