Alcohol may be to blame for a bad crash that injured several people in Chandler on Saturday, police said.
The 18-year-old driver was speeding, crossed the center line and hit another car, according to officers.
The driver stayed at the scene, while the 16-year-old passenger ran away.
He was found hiding at a nearby business.
The driver and front-seat passenger in the other car were taken to a local hospital for minor injuries.
The rear 25-year-old passenger was transported with a serious head injury. She is in critical but stable condition.
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