Fire damaged a three-story apartment building in Dallas late Tuesday, displacing several families.

What we know: Dallas Fire-Rescue said firefighters were called to the apartment complex in the 6300 block of Keller Springs Road just after 9 p.m. By the time they arrived, there was an active fire on a second-story balcony, which appeared to be spreading to the third floor.

Additional firefighters were called in to help put out the flames.