Manchester City may face sanctions after fighting during Celtic match

• Heavy security presence contained fighting which broke out after 73 minutes
• Celtic fan who threw hamburger at police horse one of 13 people arrestedManchester City could face fresh sanction from Uefa after crowd trouble erupted during their Champions League group game against Celtic on Tuesday night.Fighting broke out among several supporters in the 73rd minute of the 1-1 draw at the Etihad Stadium before being contained by a heavy security presence. The trouble occurred in the low