Imposed citing forced labour concerns, the levies replace a temporary global duty brought in after the US Supreme Court struck down tariffs in February.
Highs of 30C are expected in the south on Friday before wet weather arrives for the weekend - although it is unlikely to be enough, as Ben Rich explains.
Paralympic medallist Daphne Schrager insists she has "never cheated" after being given a two-year ban following an "unintentional" positive test for a banned substance.
