Locklear, 47, was pulled over by a California Highway Patrol officer Saturdayafternoon after a resident reported seeing the actress leaving a parking lot and "drivingerratically," patrol spokesman Tom Marshall said.
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The officer noticed Locklear's car parked on a state highway and blocking a lane inMontecito, a wealthy community about 90 miles northwest of Los Angeles. She was believed to bealone in the car, Marshall said.
"In talking with her, (the officer) determines that she seems to be under theinfluence of something," Marshall said.
Locklear was taken to the police station, where she was tested for alcohol anddrugs. She was booked at 7 p.m. on suspicion of driving under the influence of prescriptionmedication. She was later released from custody.
Calls to Locklear's publicists were not immediately returned.
Locklear's TV credits include T.J. Hooker, Dynasty, Melrose Place and Spin City, and her film roles include The Perfect Man and Uptown Girls.
Locklear checked into a medical clinic in June to seek treatment for anxiety anddepression.
Last year, she got a divorce from Bon Jovi guitarist Richie Sambora after 11 years of marriage.They have a daughter, Ava Elizabeth
