Frank Warren has denied Upton Park could be turned into a battleground for warring West Ham and Millwall fans on Saturday night.

The controversial grudge match between David Haye and Dereck Chisora will see the British rivals finish what they started in their infamous brawl in Munich in February.

Adding a sinister backdrop to the occasion is the potential for crowd trouble given that Bermondsey-born Haye is a Millwall supporter.