A 16-year-old who’d had his driver’s license for one day was arrested after deliberately running over a woman with a vehicle at Thousand Oaks High School, causing life-threatening injuries, authorities said Saturday.

The victim, identified by the school district as activities assistant Lisa Solis, 50, of Thousand Oaks, was in critical but stable condition at a local hospital.

The incident happened Friday night after the male teenager had been attending a basketball game at the school, 2323 N. Moorpark Road, according to authorities.

Just before 8:15 p.m., the woman and a school administrator allegedly caught him stealing packaged food items from a concession stand, according to Ventura County Sheriff’s Office Sgt. Eric Buschow.

Sunday update::T.O. woman still in critical condition after incident involving teen driver at high school

The teen then fled to a Mercedes-Benz sedan parked outside, Buschow said. Four other male juveniles also entered the vehicle, according to Buschow.

Solis stood in front of the vehicle and told the teen to stop, Buschow said.

“He accelerated the car and ran the woman over,” Buschow said.

The initial blow from the vehicle knocked Solis down, sheriff’s officials said. The teen continued driving over her, causing critical injuries before fleeing the scene, according to authorities.

Solis suffered life-threatening injuries and was taken by ambulance to Los Robles Regional Medical Center, according to authorities. She was in critical but stable condition Saturday, authorities said.

On Saturday morning, the Conejo Valley Unified School District issued a statement on Twitter about the incident.

“We are heartbroken that a member of our CVUSD family suffered life threatening injuries during an incident that occurred outside last night’s basketball game at Thousand Oaks High School,” district Superintendent Mark McLaughlin said in the tweet. “Mrs. Lisa Solis, Activities Assistant for Thousand Oaks High School, is a dedicated member of the TOHS team, and a parent of CVUSD students. Please keep Lisa and her family in your thoughts and prayers.”

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On Saturday morning, the campus was quiet, with no evidence of Friday’s incident visible. Adults and students could be seen on the grounds attending various events. On a front fence, a large black banner proclaimed “#TOStrong,” a reference to November’s mass shooting at the Borderline Bar & Grill in Thousand Oaks.

Investigators identified the suspect in the hit-and-run and found him at his Newbury Park home, Buschow said. He was found to be a student of the district but did not attend Thousand Oaks High, authorities said.

He was arrested on suspicion of felony assault with a deadly weapon and booked at the county’s juvenile justice center, according to authorities.

Authorities are continuing to investigate, Buschow said.