LONDON, ENGLAND - JANUARY 21: Smoke left from a flare is seen during the Premier League match between Crystal Palace and Everton at Selhurst Park on January 21, 2017 in London, England. (Photo by Ian Walton/Getty Images)
LONDON, ENGLAND - JANUARY 21: Smoke left from a flare is seen during the Premier League match between Crystal Palace and Everton at Selhurst Park on January 21, 2017 in London, England. (Photo by Ian Walton/Getty Images)