Oleksandr Usyk has cemented his reputation as one of heavyweight boxing's all-time greats after a crushing victory over British challenger Daniel Dubois.View on euronews

Oleksandr Usyk has scored a fifth-round knockout of Daniel Dubois to became the undisputed world heavyweight champion for a second time on Saturday.

Almost two years after knocking out Daniel Dubois, Oleksandr Usyk did it again to assert his reign as undisputed heavyweight boxing champion.