Nigerian female weightlifting gold medalist Chika Amalaha failed an in-competition doping test at the Commonwealth Games, reports the Associated Press.

Amalaha, 16, won the first gold medal for Nigeria at the Commonwealth Games, which are being held in Glasgow, Scotland.

Commonwealth Games Federation chief executive Mike Hooper stated.that Amalaha ​has been suspended from the Commonwealth Games after providing an “A” sample on July 25 which tested positive for diuretics and masking agents. Her “B” sample will be tested on Wednesday.

Amalaha was tested after winning gold in the 53-kilogram division (117 pounds), beating Papua New Guinea’s Dika Toua and India’s Santoshi Matsa.