South Carolina Republican backs Donald Trump over Nikki Haley in primary

The South Carolina Republican’s backing comes as Mr Trump angles to bolster his dominance thus far in Republican balloting, following his record-setting win last week in the Iowa caucuses.

The move is blow for Nikki Haley as she seeks the Republican presidential nomination (AP)

Donald Trump has picked up another endorsement from Nikki Haley’s home state of South Carolina, with representative Nancy Mace backing the former US president in this year’s Republican presidential primary.

Ms Mace had stayed out of the 2024 Republican primary as two fellow South Carolinians – former governor Ms Haley and senator Tim Scott – entered the race last year.