This Sunday will mark seven years since one of Mexico's worst tragedies.
The ABC Daycare Center Fire killed 49 babies in Hermosillo, Sonora, Mexico.
More than seventy other infants were injured and 38 babies were flown to Phoenix Children's Hospital for treatment.
The documentary "49 Angels" will look into this tragedy.
The film will make its Tucson premiere tonight downtown at The Screening Room located at 127 East Congress Street at 9:30 p.m.
For more show times of "49 Angels," click here.