The teenager, who will turn 15 in May, triumphed in the snatch, clean and jerk and overall disciplines in the women's 49 kilograms division at the Westgate Las Vegas Resort and Casino.

Last year's Asian youth champion took the snatch title with a best lift of 75kg, which saw her beat Romania's reigning European champion Mihaela Valentina Cambei by two kilograms.

Japan’s Emika Yamashita lifted 68kg to finish third.

In the clean and jerk Abdulllaeva won by the same margin, but this time ahead of Kaiya Lashay Bryant from the United States, with a lift of 90kg.

Cambei once again made the podium, finishing third with a lift of 86kg, but her efforts were not enough to stop Abdullaeva taking the overall victory, which she did so by six kilograms.

In total the Uzbek lifted 165kg, while Cambei managed 159kg and Bryant took third with 154kg.

Romania's 16-year-old Cambei broke down in tears at the end, so desperate had she been to win gold.

In the men's 67kg category Saikhan Taisuyev from Kazakhstan dominated to take gold, lifting 18kg more than anyone else.

He topped the snatch standings by successfully lifting 127kg and then dominated the clean and jerk by lifting 161kg, 11kg more than his nearest challenger, Georgia's Gurami Giobelidze.

That mark of 161kg was a new world youth record.

The Kazakh's efforts meant he comfortably took the overall title with a total lift of 288kg.

Giobelidze took overall silver with lifts totalling 270kg despite finishing down in sixth in the snatch, while overall bronze went to Turkmenistan's Bektimur Reyimov who lifted 269kg.

He sealed third spot having come second in the snatch and fifth in the clean and jerk.