During the 1970s in particular, rival groups of West Ham fans from neighbouring areas (most often groups from the districts of Barking & Dagenham) often fought each other at games.
Selama tahun 1970-an pada khususnya, kelompok rival dari suporter West Ham dari daerah tetangga (kebanyakan dari Barking & Dagenham) sering bertempur satu sama lain selama permainan.