Rapper Chief Keef was arrested on Monday (27May13) - for the second time in a week. The 17-year-old hip-hop sensation, real name Keith Cozart, was driving in Northfield, Illinois when cops allegedly spotted him travelling at double the 55 miles-per-hour (88 kilometres-per-hour) speed limit and pulled his car over. The star was cited for speeding and having too many people in the vehicle, according to TMZ.com. Cozart is due back in court on 17 June (13). His arrest comes just one week after he was detained in Atlanta, Georgia and charged with disorderly conduct.