British world heavyweight champion Tyson Fury has postponed his rematch with Wladimir Klitschko for a second time because he is “medically unfit”.
Promoters did not disclose the problem but said “the condition is too severe to allow him to participate”.
Fury, 28, beat Ukraine’s Klitschko on points in the original bout between the pair in November last year.
The original rematch, scheduled for 9 July at Manchester Arena, was postponed in June after Fury injured his ankle.
The rearranged rematch had been scheduled for 29 October.
“Tyson will now immediately undergo the treatment he needs to make a full recovery,” Hennessey Sports added.
“We and Tyson wish to express our sincerest apologies to all those concerned with the event and all the boxing fans who had been looking forward to the rematch. Tyson is understandably devastated by the development.
“We will be making a further statement in due course.”
At a press conference ahead of the initial rematch in April, Fury taunted Klitschko by telling him he was beaten by “a fat man” in their first encounter.
In August, Fury was charged with a doping offence by the UK’s anti-doping body Ukad, with a hearing into the alleged violation to take place in November.
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