Chelsea beat Reading 2-1 in the FA Cup semi-final at Wembley on Saturday . Footage apparently taken by a fan beforehand shows homophobic chant . It appears to show fans singing about Ashley Cole to a Lily Allen song . Roma defender Cole left Chelsea to join London rivals Arsenal in 2006 . A Metropolitan police spokesman confirms they are assessing the video .
Arsenal beat Reading 2-1 in the FA Cup semi-final at Wembley on Saturday . Footage apparently taken by a fan beforehand shows homophobic chant . It appears to show fans singing about Ashley Cole to a Lily Allen song . Roma defender Cole left Arsenal to join London rivals Chelsea in 2006 . A Metropolitan police spokesman confirms they are assessing the video .