West Ham ban half-and-half scarves for London derby against Tottenham

West Ham and Tottenham scarves. Security measures are aimed at preventing away supporters from getting into the home sections at the London Stadium. Photograph: Neil Hall/EPA-EFE/Shutterstock

West Ham have taken the unusual step of banning half-and-half scarves for the London derby against Tottenham.

The move is among a number of increased security measures aimed at preventing away supporters from getting into the home sections at the London Stadium for a potentially volatile match.