CASA GRANDE, AZ - Crews battled flames at an apartment complex in Casa Grande Friday afternoon.
The flames burned five 3-story buildings under construction in the area of Rodeo and Trekell roads, according to the Casa Grande Fire Department.
Firefighters think the fire was started by workers welding on the property.
Five years ago, the same buildings caught fire, caused by arson.
One nearby apartment building was evacuated, it's not known how many people were affected.
There no injuries reported.