DERECK Chisora (pictured) has been suspended indefinitely by the World Boxing Council for his behaviour before and after his fight with Vitali Klitschko.British heavyweight Chisora was involved in a brawl with countryman David Haye at the news conference after his defeat by the Ukrainian in Munich.Chisora also slapped Klitschko at the weigh-in and spat water in the face of his brother Wladimir before the bout.The WBC said it was "one of the worst behaviours ever by a professional”.The body demanded Chisora, 28, seeks anger management treatment before considering whether to lift the suspension.The Londoner, ranked 14th in the WBC’s heavyweight division, will also be taken out of the organisation’s rankings.Chisora earned plenty of plaudits despite his points defeat by heavy favourite Klitschko in Munich on February 18.But all the post-fight headlines were overshadowed by the brawl between Chisora and former WBA champion Haye, who lost to Wladimir Klitschko in July.