The Latest on an armed standoff on a California freeway (all times local):

8:03 a.m.

Phoenix police and the California Highway Patrol say a motorist arrested after pacing in freeway lanes waving what appeared to be a handgun is not a shooting suspect wanted in seven Arizona homicides.

The CHP says the weapon that 43-year-old Hector Vasquez was brandishing following a high-speed pursuit early Thursday turned out to be a pellet gun.

The Beverly Hills resident could face charges including brandishing a weapon, evading police and driving under the influence. It wasn't immediately known if he has an attorney.

Vasquez was arrested after a high-speed pursuit and an hourslong standoff. Authorities in Orange County say they received a call from a woman who said a man she met Wednesday had a gun and looked like the Arizona shooting suspect sketch she had seen on TV.

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6:25 a.m.

Authorities say the high-speed pursuit of a motorist arrested after an armed standoff on a California freeway began when police received a tip that the man resembled the sketch of a shooting suspect wanted in seven Arizona homicides.

Phoenix Police Sgt. Jonathan Howard said early Thursday that his department believes the California suspect is not connected to the Arizona shooting spree. The man was not identified.

The California Highway Patrol says the man was arrested around 4 a.m. in Riverside County after pacing in lanes waving a gun.

A vehicle pursuit began hours earlier in Orange County. Costa Mesa police say they received a call from a woman who said a man she met Wednesday had a gun and looked like the Arizona shooting suspect sketch she had seen on TV.