It’s a long-awaited rematch after an eventful first encounter between boxers David Haye and Tony Bellew a year ago. Bellew caused a massive upset when he defeated former world heavyweight champion David Haye. And the pair have been trading verbal blows before tonight’s bout. But when Paul McNamara went to meet Haye at his gym beneath a railway arch, he was in a more reflective mood, touching on his Windrush ancestry and the dangers young Londoners face from knife crime.