Cal Fire is monitoring a brush fire in Mexico that could jump the border near Otay Mountain.
Smoke was visible from the U.S. side, and Cal Fire sent a crew to monitor the situation.
News reports said the fire is near the entrance to the toll road to Tecate and that Tijuana firefighters have brought it under control.
San Diego County is under a red flag fire warning with peak Santa Ana winds expected Thursday.
— From Staff and Wire Reports