Richards will feature in the men’s 400 metres and Ahye will compete in the women’s 60 metres.
Jerod Elcock will participate on Saturday, in the men’s 60m and Ruebin Walters will be the last TT athlete in action, on Sunday, in the men’s 60m hurdles.
The quartet have been accompanied in Belgrade by manager/coach Dexter Voisin, hurdles coach Jehue Gordon and massage therapist Nicole Fuentes.