Man arrested after police officer's faced slashed during Old Trafford protest released on bail The officer was left with a broken eye socket, broken nose, and a slash wound to his cheek during the violence Get the latest United updates, transfer news and analysis delivered straight to your inbox every day for freeInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice A man has been released on bail after a police officer suffered serious facial injuries during a protest at Old Trafford.