UPDATE 12:05 PM — LA County Sheriff’s Department has “cleared” Highland High School. An active investigation is ongoing, but one suspect — a “male hispanic juvenile” has been taken into custody and the situation is believed to be contained.

Update Regarding Highland High School in Palmdale: Highland High school has been cleared by Deputies. Active investigation still ongoing. — LA County Sheriff’s (@LASDHQ) May 11, 2018

Update Regarding Highland High School in Palmdale: 1 victim shot in the arm at Highland High School. At local hospital now. stable condition. 1 Firearm recovered. 1 Subject detained, and is a Male Hispanic Juvenile. — LA County Sheriff's (@LASDHQ) May 11, 2018

UPDATE 11:35 AM — LA County Sheriff’s has searched the campus at Manzanita Elementary and have found no evidence of a crime “so far.” The investigation is still ongoing.

Update regarding Manzanita Elementary School in Palmdale: Deputies have searched the campus. School is clear. So far, no evidence of crime. Investigation still ongoing — LA County Sheriff’s (@LASDHQ) May 11, 2018

Additionally, ABC reports that all Antelope Valley Union High School District schools have been placed on lockdown.

THIS JUST IN: All Antelope Valley Union High School District schools have been placed on lockdown after reports of a possible shooting at Highland High School, officials say https://t.co/ETQQg462GC — ABC7 Eyewitness News (@ABC7) May 11, 2018

UPDATE 11:11 AM — There are possibly now two shootings in Palmdale, California, one at Highland High School and another at Manzanita Elementary School.

#BREAKING Sheriff’s Dept. responding to reports of shots fired at Manzanita Elementary School, also in #Palmdale, about 8 miles away from #Highland High. Massive response to multiple schools in the area. https://t.co/Ml9qb6PHKw — Good Day LA (@GDLA) May 11, 2018

UPDATE 11:10 AM — Highland High School shooter is reportedly in custody.

#UPDATE: #BREAKING: LA County Fire Department confirms shooter in custody at Highland High School.

@LASDHQ says Multiple #LASD deputies responding to Highland High School regarding a possible school shooting #Palmdale @NBCLA Reports of 1 person is injured. Details on @NBCLA — Daniella Guzman (@DaniellaNBCLA) May 11, 2018

UPDATE 11:03 AM — One person has been hospitalized, NBC Bay Area reports. The extent of the individual’s injuries is unknown.

Police responded Friday to a possible school shooting at Highland High School in Palmdale, California.

Sheriff’s Department responding to reports of possible shooting at #Highland High School in #Palmdale. pic.twitter.com/sSoPnk3IlG — FOX 11 Los Angeles (@FOXLA) May 11, 2018

#BREAKING Numerous 911 calls to police about incident at #Highland High School in Palmdale. pic.twitter.com/x4usgAFYuB — FOX 11 Los Angeles (@FOXLA) May 11, 2018

#BREAKING Authorities respond to reports of possible shooting at Palmdale’s Highland High School, @LASDHQ sayshttps://t.co/n0mh50Mqxq — ABC7 Eyewitness News (@ABC7) May 11, 2018

A number of Twitter users, possibly students of the school, have self-reported gunfire at the school:

I DONT KNOW WHATS HAPPENING BUT SOMEBODY IS SHOOTING AT HIGHLAND HIGH SCHOOL !!!! — lydia (@unclouded_) May 11, 2018

i just pulled up at there were gunshots and people running back home — lydia (@unclouded_) May 11, 2018

THERES A KID AT HIGHLAND WITH A GUN DONT COME TO HIGHLAND HIGH SCHOOL — Mr. Gomez (@Isaac_Gomez59) May 11, 2018

YO THERE WAS GUNFIRE AT HIGHLAND HIGH SCHOOL JUST NOW — Ricky Riiiiick (@rickyeatsbeats) May 11, 2018

This story is developing. Check back for updates.

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