Nikki Haley vows to fight on after Donald Trump wins in her home state

Republican presidential candidate former President Donald Trump speaks at a primary election night party at the South Carolina State Fairgrounds in Columbia (Andrew Harnik/AP)

Donald Trump won South Carolina’s Republican primary, easily beating former UN ambassador Nikki Haley in her home state and further consolidating his path to a third straight nomination.

Mr Trump has now swept every contest that counted for Republican delegates, adding to previous wins in Iowa, New Hampshire, Nevada and the US Virgin Islands.