TROUBLED actress Lindsay Lohan has been accused of attacking a female employee at the Betty Ford rehabilitation centre. She was reportedly left infuriated after the staffer asked her to submit to a drug and alcohol test, reports usmagazine.com. 'Lohan was reported as the suspect in the investigation and the victim desired prosecution, said a spokesperson for the Palm Desert Police Department Meanwhile, the centre has fired an employee who reportedly leaked details of her tussle with Lindsay Lohan. Authorities in the Southern California city of Palm Desert have confirmed that they are investigating a claim that Lohan assaulted an employee at the centre. The accusations have thrust the actress back into the spotlight. Agencies