FormerheavyweightworldchampionWladimirKlitschkohasannouncedhisretirementfromboxing.The41-year-oldKlitschkodominatedtheheavyweightsceneforadecadebutlosttoBritain
The former world heavyweight boxing champion, one of the world's best-known sportsmen, died at a hospital in the US city of Phoenix in Arizona state after being admitted on Thursday.