Amir Khan has spoken of his hurt and disappointment following the cancellation of br br Khan said: 'First of all I'm disappointed because I trained very hard for this fight.br 'It was only 10 days away from the fight where my dad came knocking on my bedroom door and said to me "look, Lamont Peterson's failed his br br drug test and the fight's no longer going to happen".br 'It was a big shock for me. My head was all over the place, I really, really wanted to win my titles back and have the fight. But the br br truth's come out now and it just proves that Lamont Peterson was a cheat really.br 'It hurt me more than anything because I really did want to go in there and put on a performance and show the world how good Amir Khan br br is.