Biden and Trump sweep 5 state primaries as former car salesman wins US Senate race in Ohio: Live

President Joe Biden and Donald Trump both inched closer to their respective party conventions on Tuesday after sweeping their primaries in the five states of Ohio, Florida, Illinois, Kansas and Arizona.

The final call, in Arizona, was made in favour of the two men shortly after 8pm local time by The Associated Press.

All eyes were on the GOP senate race in Ohio, which placed Mr Trump’s endorsement power under fresh scrutiny. However the presidential candidate’s pick, former car salesman Bernie Moreno, overcame a pair of party establishment rivals for the chance to challenge Democrat Sherrod Brown.

Mr Moreno was annointed by Mr Trump as his MAGA representative in the contest but faced stiff competition from state senator Matt Dolan and secretary of state Frank LaRose. The Associated Press called the race in the Buckeye state for Mr Moreno shortly after 8.35pm local time.

The Republican presidential nominee hailed Mr Moreno as a “fantastic guy” during a 90-minute address at the Dayton Air Show on Saturday and laid into Mr Dolan, whom he labelled a “RINO” (Republican in Name Only) and “the next Mitt Romney”.

A further special general election will be held in California in May after no candidate secured enough votes to take former Speaker Kevin McCarthy’s congressional seat.

Republican Vince Fong, a California state assemblyman and former aide to Mr McCarthy, advanced to the runoff race for the 20th congressional district seat on Tuesday night, according to The Associated Press.

As of 3am ET on Wednesday morning, it was unclear which other candidate will join him in May.

Mr Fong has secured 40.8 per cent of the vote with 84 per cent of votes counted. County sheriff Mike Boudreaux, his most competitive challenger, is second