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European cruiserweight champion Tony Bellew says he has major concerns about drugs in boxing.

Earlier this month, Lucas Browne became the first Australian boxer to win a version of the heavyweight title when he stopped Ruslan Chagaev in Russia, but his reign might be short lived because it's being reported that he tested positive for clenbuterol after the fight. Both Browne and his promoter have issued statements denying any wrongdoing.

(Image: Tony Bellew celebrates in the ring. Credit: Getty Images)