A brush fire is burning near Interstate 5 in the Bay Ho area, causing the Clairemont Drive on-ramp to be closed.
The blaze was reported about 3:25 p.m. near Grand and Garnet avenues.
Fire crews were hosing down the flames from along northbound freeway lanes and off Morena Boulevard.
Within about 15 minutes, the fire had burned an estimated 100-foot stretch of deep brush.
The sight of smoke and flames had freeway traffic slowed to a crawl in both directions.