The California Highway Patrol issued a Sig alert for northbound Interstate 5 at Via de la Valle after a seven-car pile-up.
CHP, San Diego Police Department and fire rescue crews are on the scene where at least one person has been injured and an infant and adult are awaiting an ambulance for lacerations to the face.
Traffic was delayed, but lanes are reopened as of Monday evening.
This is a developing story. Check back here for updates.
