Florida, US (BBN)-The race for the Republican presidential nomination continues after Donald Trump won a decisive victory in the key state of Florida but lost to John Kasich in Ohio.
Democratic front-runner Hillary Clinton extended her lead with wins in Florida, Ohio, Illinois and North Carolina, reports BBC.
Meanwhile Marco Rubio dropped out of the Republican race after losing in his home state of Florida to Trump.
The billionaire has also won in Illinois and North Carolina.
His victories cause a headache for the Republican party because many senior members are concerned by his policies and tone.
Five big states on Tuesday chose their preferred candidate for November's presidential election.
The winners for both parties in Missouri are yet to be called with Clinton locked in tight competition with challenger Bernie Sanders and Trump fighting Ted Cruz.
"We have to bring our party together," Trump said in Palm Beach, Florida, as the results came in on Tuesday evening.
He was hoping the votes would give him a clear path to becoming the Republican choice for the White House.
However, John Kasich secured his first win in the Republican contest in the state of Ohio where he is governor.
In his victory speech, Kasich said he wanted to create a "climate of opportunity" for future generations and praised the campaign of Marco Rubio.
Earlier Rubio announced he was suspending his campaign on stage in Miami.
He said the US was in the middle of a "political storm", and voters were angry and frustrated.
In Florida, Clinton gave an upbeat victory speech in which she chastised Trump and said "Americans were hungry for solutions".
She listed student debt, affordable childcare and inequality as issues she pledged to address.
Florida and Ohio are particularly important in the race for the Republican nomination because the winning candidate gets all of the delegates on offer - 99 in Florida and 66 in Ohio.
Those delegates go to the national convention in July where the presidential nominee will be chosen.
But Trump's latest victories come amid increasing condemnation of his campaign within the Republican Party, and after a string of violent incidents at his rallies.
Some senior Republicans have said they would never support him, and on Tuesday it emerged that a group of leading conservatives are planning ways of stopping Trump from winning the Republican nomination - including rallying around a third-party candidate.
"Please join other conservative leaders to strategize how to defeat Donald Trump for the Republican nomination," they wrote in a letter to attendees, according to Politico.
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