The Fort Worth Fire Department was working to determine what sparked a six-alarm blaze at an apartment building that led to the evacuation of residents and sent thick plumes of smoke billowing into the air.

A six-alarm accidental fire at a Fort Worth apartment complex displaced over 800 residents, with the official cause still under investigation due to challenges posed by the building's rubber roof.

Crews are battling a five-alarm fire at a Fort Worth apartment complex on West Rosedale Street on Monday afternoon. The Fort Worth Fire Department was called to the six-story building in the 1000 block of West Rosedale Street around 3 p.