Marco Rubio suspended his campaign for president after losing to Donald Trump in his home state of Florida. He didn't endorse another candidate during his concession speech, however Rubio's campaign manager calls on Republicans to circle around Ted Cruz.
Governor John Kasich has won his home state of Ohio.
With proportional delegate distribution in North Carolina, the number of delegates will be closely divided between Donald Trump and Ted Cruz.
Donald Trump appears to have won a by a hefty 15 percent in Illinois, where delegate distribution is determined by congressional districts.