Los Angeles County Sheriff Alex Villanueva says it is his understanding that the suspect in the incident at Saugus High School is a member of the student body.
Deadly school shooting in Santa Clarita
Former California Rep. Katie Hill expressed her concerns over the shooting at Saugus High School.
Hill, who resigned less than two weeks ago, told CNN she attended the high school years ago and still lives in the community.
"It's your worst nightmare. Every single member of Congress is constantly in the back of their head as to whether something like that is going to happen in your home district because it's the worst thing that can happen," she said.
The L.A. County Sheriffs department just tweeted that "this is still a very active situation."
The police have asked residents around the high school to lock their doors and stay inside. The shooter is believed to still be at large.
A local hospital said they've received two victims who are in critical condition and are expecting three more.
The L.A. County Sheriff's Department just tweeted that residents in the neighborhood around Saugus High School should stay inside their homes and lock their doors.
The shooting suspect is still believed to be at large. The police said, "If you see suspect, male dark clothing," call 911.
Henry Mayo Newhall Hospital says it has received two patients in critical condition, and three other patients are en route to the hospital now.
Henry Mayor Newhall Hospital is in Valencia, California.
Saugus High School is in Santa Clarita, California, which is about 30 miles northwest of Los Angeles.
Here's a look at where the campus is located:
The Los Angeles County Sheriff's Department is asking all residents in the area to shelter in place.
The shooting suspect is still believed to be at large.
The Los Angeles County Sheriff's Department just tweeted out a "reunification point" for parents.
They said it is at Central Park on Bouquet Canyon Road.
The bureau of Alcohol, Tobacco, Firearms and Explosives just tweeted it is also responding to the school.