IRVINE, Calif. -- Former mixed martial arts light

heavyweight champion Quinton "Rampage" Jackson has been

hospitalized for a mental health evaluation.

Irvine police went to Jackson's home Wednesday after his friends

told authorities they were "concerned about his behavior and some

remarks he was making," Lt. Rick Handfield said Thursday.

"Officers spoke to him to evaluate whether he was a danger to

himself or others," Handfield said. "He was detained and was taken to an area hospital for mental evaluation."

Handfield declined to elaborate, citing privacy restrictions.

Jackson was arrested Tuesday in Costa Mesa after a 3-mile chase

that began as the result of two freeway collisions and another

crash when he allegedly ran red lights in his 2008 Ford F250

pickup, police said.

During the chase, police said, Jackson drove over the raised median of the roadway, drove onto a sidewalk, causing pedestrians

to flee, and a tire on his truck disintegrated before he taken into

custody without incident.

Jackson was booked for investigation of felony evading, reckless

driving and hit and run, and released on $25,000 bail.

After the arrest, police said they learned that Jackson may have

been involved in two collisions on the freeway, which did not involve injuries.

Jackson lost his Ultimate Fighting Championship title July 5 in

Las Vegas to Forrest Griffin in an unanimous decision.

UFC spokeswoman Jennifer Wenk in Las Vegas declined comment on

the 30-year-old fighter's recent troubles.