Two sons, their mother and their grandmother were killed in the fire early Thursday morning. The family dog also died in the blaze.

A fire tore through a Rogers Park townhome early Thursday morning, killing a family of four, including a 13-year-old boy and their dog, police, witnesses and an alderperson said. Elise Adu, who lives two units down from where the fire started at 7049 N. Paulina Street, woke up to her neighbors screaming out their…