SAN DIEGO (FOX 5/KUSI) -- The fire that burned 40 acres in the area of Fairmount Avenue and Montezuma Road near the San Diego State University campus Thursday afternoon is 80% contained. The San Diego Fire-Rescue Department posted the update on X, formerly Twitter, Friday afternoon at 4:45 p.m. Above: Earlier coverage of the Fairmount Fire by FOX 5/KUSI reporter Jaime Chambers. Two suspects in custody after person shot at SDSU trolley stop The fire damaged six homes, authorities said. Residents who were under mandatory evacuation orders due to the extent of the fire were allowed to go home around 9 p.m. Thursday night. However, as of Friday morning, authorities said Montezuma Road between Collwood Boulevard and Fairmount Avenue remains closed. The eastbound Interstate 8 off-ramp to southbound Fairmount Avenue, which was closed off during the fire response, reopened to traffic around 7 p.m. Thursday, according to Caltrans. Three engine companies will patrol the rest of the night to monitor any flare ups, SDFD said. On Saturday, the crews will tackle the remaining 20% for full containment.