Brunei Darussalam national swimmers Hayley Wong Ann Yue and Sharmeen binti Mohammad Mharvin achieved new personal bests in both the women’s 50-metre (m) freestyle events during the 7th Commonwealth Youth Games in Trinidad and Tobago on Wednesday. Brunei leading female swimmer Hayley clocked a time of 28.29s, bettering her old record of 28.44s, while her