One person was hospitalized following a head-on traffic accident on the Barona Ranch Indian Reservation.
The collision occurred on Wildcat Canyon Road, just north of the entrance to the Barona Valley Rancho Resort and Casino.
A Ford truck and a Rav4 collided around midnight according to Lakeside fire crews.
The female driver of the Rav4 suffered significant injuries officials said. She was taken to Sharp Hospital in an ambulance.
A medical transport helicopter was originally called but could not fly due to weather conditions officials said.
No other injuries were reported.
The cause of the crash is under investigation.