The Latest on a Jacksonville detective authorities say was shot by a man during an impromptu traffic stop (all times local):

12:30 p.m.

Authorities say an off-duty detective who was shot was taking his son to school when he made an impromptu traffic stop.

Jacksonville Sheriff's Office Chief Tom Hackney said Wednesday the narcotics detective was shot in the head, hand and upper body. He is in critical condition.

Hackney says he doesn't know why the detective was pulling the suspect over. He says the suspect jumped out of his car and immediately opened fire. The son was not hurt.

Hackney says the suspect had just fled his house following a domestic dispute where he'd threatened to harm himself and his girlfriend.

After the shooting, the suspect ran away and stole a truck. Hackney says two officers eventually shot him after ordering him to drop his gun.

The suspect is alive and in custody.

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9:30 a.m.

A Jacksonville sheriff's detective is in critical condition after being shot by a suspect involved in a car theft.

Jacksonville Sheriff Mike Williams said during a news conference that the plain-clothes detective was off duty when he was shot Wednesday morning. Authorities say the suspect was also shot and is alive.

The sheriff's office says the detective was airlifted to the hospital for emergency surgery and was conscious when he left the scene. The sheriff's office says it isn't releasing his identity because it's still in the process of contacting the detective's family. The suspect has also not been identified.

No further details were immediately available.