Open water swimming at the World Championships in Singapore has been postponed again because of “water quality levels exceeding acceptable thresholds."

Germany's Florian Wellbrock clinched gold in the men's 10km open water race, while Australia's Moesha Johnson secured the women's title at the World Aquatics Championships in Singapore on Wednesday, after both of the races were postponed because of poor water quality off Sentosa.

Open water swimming at the World Championships in Singapore has been postponed because of "water quality levels exceeding acceptable thresholds," the governing body World Aquatics said in a statement.