Arsenal and Tottenham Hotspur to join forces to identify and ban fans who took part in abusive chanting

Arsenal and Tottenham Hotspur are to launch a joint investigation into Sundays north London derby in an attempt to identify and potentially ban fans who engaged in abusive chanting.

Source:
http://www.telegraph.co.uk/sport/football/competitions/premier-league/8805157/Arsenal-and-Tottenham-Hotspur-to-join-forces-to-identify-and-ban-fans-who-took-part-in-abusive-chanting.html