LONDON, ENGLAND - FEBRUARY 18: Police on horseback control the pitch invaders during The Emirates FA Cup Fifth Round match between Millwall and Leicester City at The Den on February 18, 2017 in London, England. (Photo by Ian Walton/Getty Images)
LONDON, ENGLAND - FEBRUARY 18: Police on horseback control the pitch invaders during The Emirates FA Cup Fifth Round match between Millwall and Leicester City at The Den on February 18, 2017 in London, England. (Photo by Ian Walton/Getty Images)