Heather Locklear was charged with driving under the influence of prescription medication on Saturday night (27.09.08).The former 'Melrose Place' actress - who checked herself into an Arizona treatment facility in June to seek treatment for "anxiety and depression" - was stopped at around 4.30pm after displaying erratic behaviour while driving in Barbara County, California.Tom Marshall, a spokesperson for the California Highway Patrol (CHP), said: "Around 4.30pm, a female witness saw Heather Locklear driving erratically while leaving a parking lot. The witness said Locklear was revving her engine loudly, and backed over a pair of sunglasses several times."The witness called 911 because she was concerned for Locklear's safety. When a CHP officer arrived, Locklear was found seated inside her vehicle, which was partially blocking the roadway."Because Locklear appeared disoriented and impaired, she was taken to a local CHP station and drug and alcohol tests were administered. She was cooperative. Alcohol was ruled out as a factor, but based on the officer's observations, we believe Locklear was under the influence of prescription medication."The 47-year-old actress was taken to a local jail at around 7pm, where she was charged with driving under the influence of prescription medication.She was released at 11pm on $5,000 bail.

Heather has a 10-year-old daughter Ava Elizabeth with ex-husband Richie Sambora.

She is currently dating her former 'Melrose Place' co-star Jack Wagner.

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