Williams (12.53 seconds) surpassed the American Grace Stark (12.58) and the South African March Fourie (12.62).
The Caribbean island added silver through Sherickka Jackson in the 200, who scored 22.79 seconds and was surpassed only by the American Anavia Battle (22.41), who stamped new brand for the competition.
For his part, the Brazilian Matheus Lima (33.98) also conquered a silver metal, behind the Norwegian stellar Karsten Warholm (33.05) in the unusual 300 test with fences.
-In other results, the Ethiopian Samuel Firewu headed three thousand with obstacles, the Keniana Feith Kipyegon the thousand, the South African Akani Simbine the 100, the Chinese Ming Kun Chang the long jump, the American Valerie Altman the album and the Kenyan Beatrice Chebet the five thousand.
In addition, the Bayapo Bayapo Bayapo won in the 400, the Swedish Armand Duplantis in the pole, the Dutch Jessica Schilder in the bullet, the American Cordell Tinch in 110 with fences and the Ukrainian Yaroslava Mahuchikh in the high jump.
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