US primary elections: Biden and Trump notch wins with surprises in store down ballot

Nikki Haley gains votes despite dropping out of Republican race as Trump-backed candidate wins Ohio Republican Senate primary Donald Trump and Joe Biden swept up more delegates in Tuesday's primary elections as they set their sights on a rematch in November. Trump and Biden's first victories came in Ohio, where there is also a heated Senate race brewing, and in Illinois and Kansas. Trump also won the Republican primary in Florida, where the Democrats are not holding a primary.