Singer Ike Turner, former husband and partner of pop star Tina Turner, has been arrested on suspicion of conspiring to sell cocaine to an undercover police officer. Pasadena police said they arrested Turner, 53, of Baldwin Hills and two other men in a North Hollywood condominium. The trio had four grams of cocaine and one pound of an unidentified substance, also believed to be a narcotic, police said. Police identified the other men as Eddie Coleman Jr., 32, of Altadena, a self-employed record producer, and Richard Lee Griffin, 35, of Los Angeles, a lyricist. They are being held in lieu of $50,000 bail each.