Boston firefighters responded around 3:15 p.m. to 104 Hemenway St., near Westland Avenue, for what turned into a seven-alarm fire.
BFD reports eight residents and one firefighter were injured; all the injuries appeared to be non-life threatening.
Fire Commissioner Joe Finn arrived around 3:45 p.m. and assumed command.
Around 4 p.m., Finn struck a seventh alarm and ordered all firefighters out of the building as flames began coming out of the roof. Video.
The five-story building houses mainly Northeastern and Berklee students; officials there are working to find new housing for their students.
Fire crews from surrounding communities came into Boston to cover fire stations left empty by BFD crews who responded to the fire.