GARDEN CITY, N.Y. (AP) -- A man arrested following a police chase in Hempstead last month intends to file a lawsuit against Nassau County, its police department, and 15 officers, claiming they beat him and used racial epithets, his attorney said Thursday. Attorney Kenneth Mollins detailed the allegations by William Byrd at a press conference. Byrd, 36, who is black, contends in a notice of claim, the precursor to a lawsuit, that he was "beaten, kicked, dragged, pummeled'' after surrendering to police. He said witnesses heard officers use a variety of racial epithets. Byrd, of Hempstead, said that when he was taken to the First Precinct, and while still handcuffed, beatings "by numerous police officers continued as did the barrage of racial degradation.'' He claims all of the officers removed their badges and name tags during the attack. Lt. Kevin Smith, a police department spokesman, said the department is "aggressively investigating the allegations.'' He said Police Commissioner Lawrence Mulvey reviewed the case and "based on the preliminary investigation and witness statements nothing suggests that the officers acted improperly.'' The only officer identified in the court papers was someone named "Wilcox'' but a police spokesman said there is no one named Wilcox in the department. After the arrest, Nassau County Police said Byrd was spotted on Oct. 16, driving a 2003 Toyota Corolla that had been reported stolen the month before. When an officer approached the driver's side door, Byrd allegedly drove away, dragging the officer for about 10 feet. They said Byrd then drove off, slamming into a police cruiser before leaving the vehicle and running to the rear of a building on Fulton Street, where he was arrested "after a struggle.'' Byrd is still in custody, facing assault, grand larceny, resisting arrest and other charges. Mollins contends Byrd suffered a fractured elbow, a broken tooth, a swollen eye and a leg injury. Police said two officers were injured. Smith referred other questions about the legal case to the county attorney's office, which did not immediately return a telephone call seeking comment. Mollins also wrote to District Attorney Kathleen Rice, seeking a separate investigation. A spokesman for Rice did not immediately respond to a request for comment.