Jon Jones, UFC light-heavyweight star, celebrates after a fight earlier this year.AP Photo/John Locher Mixed martial arts champion Jon “Bones” Jones of Albuquerque turned himself in Monday night after a felony warrant was issued for his arrest in connection with a weekend hit-and-run accident, police said. Jones, the Ultimate Fighting Championship’s current light-heavyweight champion, is scheduled to defend his title in Las Vegas, Nev., next month. He is charged with leaving the scene of a traffic accident Sunday in which his rented SUV hit another vehicle driven by an unidentified pregnant woman in her 20s.