A North Korean wrestler has been provisionally suspended after testing positive for a banned substance, a month after he was suddenly removed from the 2026 Asian Games without explanation.

In a press release Tuesday, the International Testing Agency (ITA) said it notified Ro Yu Chol of an “adverse analytical finding” after finding traces of furosemide while conducting out-of-competition testing in March 2025.

Furosemide is banned by the World Anti-Doping Agency as an “S5” substance, a classification for diuretics and masking agents.

As a diuretic that aids in quick elimination of water and sodium, furosemide is sometimes misused in sports such