Hong Kong, China swimmer Li Sum-yiu pedalled the SAR to its first gold medals at the Asian Youth Games in Bahrain, topping the podium in the girls' 50m freestyle before winning alongside her teammates in the girls' 4x100m freestyle relay.

The latest triumphs take Hong Kong's medal tally at this year's competition to eight, having already clinched medals in athletics, road cycling as well as triathlon.

Li, 16, clocked a time of 25.59 seconds en route to gold in the girls' 50m freestyle – setting a new Games record after touching the wall a tenth of a second ahead of the national team's Zhang Zhiyu.

Another SAR swimmer Gilaine Ma took home bronze to round out the podium.

"Li delivered an exceptional performance from the heats through to the final, growing stronger with each race," said Philip Mok, honorary deputy secretary general of the Sports Federation & Olympic Committee of Hong Kong, China.

"These remarkable achievements are a testament to the capability of our new generation of athletes and the result of unwavering dedication."

Li continued her medal haul by joining Ma, Chelsie Lam and Eunis Man to secure the SAR's second gold in the girl's 4x100m freestyle relay.

The quartet led from start to finish, clinching victory in three minutes, 45.6 seconds, while the national team were 0.9 seconds behind for silver.

Ma snatched a third medal on Monday night with a silver in the girls' 400m freestyle, while James Lau took home the only medal for the boys with a bronze in the 100m butterfly.

The third edition of the quadrennial competition runs until Friday, with the SAR represented by 90 athletes across 14 sports.