Manchester City's Serbian defender Aleksandar Kolarov holds the ball during the English Premier League football match between Newcastle United and Manchester City at St James' Park in Newcastle, north-east England on December 15, 2012. Police announced on December 15 that they are investigating claims of racist abuse after Manchester City's Aleksandar Kolarov became involved in a row with a supporter at St James' Park. AFP PHOTO/GRAHAM STUART RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or