How this year's US presidential election is shaping up may come as a surprise. 

Florida Governor Ron DeSantis has dropped out of the race for Republican nominee and endorsed Donald Trump, despite the ex-president giving him the nickname 'Ron De-Sanctimonious.' 

South Carolina's Nikki Haley remains in the running ahead of tonight's New Hampshire primary. 

1News correspondent Logan Church said that it's going to be an uphill battle for Haley. 

The former US ambassador to the UN is polling way behind Trump. 

LISTEN ABOVE 

• Ron DeSantis ends his struggling presidential bid before New Hampshire and endorses Donald Trump