Crews were fighting a brush fire that was threatening structures in Rancho Bernardo on Wednesday morning, and evacuations are imminent, according to San Diego Fire-Rescue officials. The fire started shortly before 9 a.m. in the area of Bernardo Center Drive and Camino del Norte, the agency said. It has the potential to reach 100 acres.

A brush fire burning near a Rancho Bernardo intersection and close to several structures prompted a response from San Diego Fire-Rescue Department crews Wednesday.

Fire crews are responding to an active brush fire burning in Rancho Bernardo Wednesday morning. According to San Diego Fire-Rescue, the department received the initial call around 8:55 a.m. The first unit of firefighters arrived shortly after 9 a.