Two people were shot dead yesterday in a Los Angeles high school shooting after a boy went on a gun rampage on his 16th birthday.
Los Angeles County Sheriff Alex Villanueva said a 14-year-old boy died at a hospital.
A 16-year-old girl caught up in the shooting at Saugus High School in the city of Santa Clarita, also died.
Three other teenagers were wounded.
The authorities said a student gunman who had turned 16 yesterday shot five students and then himself in the head at around 7.30am in a school grounds.
His .45-caliber handgun was found with no bullets remaining inside.
The suspect was taken into custody and was being treated at a local hospital last night.
A 15-year-old girl, a 14-year-old girl and a 14-year-old boy are being treated at Henry Mayo Newhall Hospital. Their conditions were not immediately known.
Student Rosie Rodriguez told reporters she was walking up the library stairs when she heard noises that "sounded like balloons" popping.
She realised they were gunshots when she saw other students running.
Pupils barricaded the doors with desks and tables, while one said someone grabbed a fire extinguisher in one classroom to use as a weapon if the shooter entered. Saugus High student Amber Miller said following the deadly school shooting that she should not have to go to school "and fear for my life".
"I'm not a target and this is unfortunately Trump's America," she said.
"I'm going to stand up for gun control."
Parent Tony Barrett added: "You hear about it all the time and now it's finally (happened) at home.
"You always see it on the news and don't think that it'll happen to you."