Firefighters responded to a two-alarm fire that caused part of the roof to collapse at a condominium building in Centennial on Friday.  South Metro Fire Rescue (SMFR) tweeted around 3:45 p.m. that they were on the scene of a fire at the Glenn Oaks Condos on East Fremont Avenue, near South University Boulevard and East Arapahoe Road. They said it was burning in the attic and called in a second alarm to help with the firefighting effort — which doubled the number of first responders on scene to roughly 75.   Read the article………………………..