Crews Wednesday knocked down a second-alarm fire that started in a building in the Grant Hill neighborhood.
According to the San Diego Fire-Rescue Department, the blaze was reported at 4:22 p.m. at 2601 Imperial Ave. SDFD crews extinguished it at 4:49 p.m.
There were no reported injuries.
It was unclear what started the fire, which remained under investigation. There was no immediate structural damage estimate.
A total of 77 personnel responded to the fire including Coronado fire crews.
City News Service contributed to this article.