David Haye and Dereck Chisora 'banter' ahead of bout

David Haye and Dereck Chisora sling insults at a press conference ahead of their bout on Saturday. Report by Sam Datta-Paulin. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn . Subscribe to ITN News! http://www.youtube.com/subscription_center?add_user=itnnews