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US election 2016: Marco Rubio in do-or-die debate US election 2016: Trump and Rubio row over Islam ‘hate’
(about 1 hour later)
Presidential hopeful Marco Rubio has his last chance to make an impact in a Republican debate before Tuesday's do-or-die contest in Florida. Republican presidential hopeful Marco Rubio has attacked Donald Trump for saying that Islam "hates the US", in a televised debate in Miami.
He has taken to the stage in his home city of Miami a long way behind Donald Trump and Ted Cruz in the race to be his party's nominee. Mr Rubio, who faces a do-or-die contest in Florida on Tuesday, said Islam had a problem with radicalisation but said many Muslims are proud Americans.
After criticism of the insult-ridden last debate, Republican leaders wanted a more presidential tone this time. "Presidents can't just say whatever they want. It has consequences," he said, to cheers from the audience.
Mr Trump picked up a key endorsement of Ben Carson hours beforehand. The four Republicans heeded pleas from party leaders to have a civil debate.
The retired neurosurgeon dropped out of the race last week and will formally back the New York businessman on Friday. Unlike in the last TV debate, which was littered with personal insults, this event was more substantive with a focus on policy.
But on the issue of Islam, there was clear distance between Mr Trump and the others - all three of his rivals disagreed with him that the families of terrorists should be killed.
Mr Trump stood by comments he made earlier in the day when he said "I think Islam hates us, there's a tremendous hatred", and railed against political correctness.
But Florida Senator Mr Rubio said: "I'm not interested in being politically correct. I'm interested in being correct."
Mr Rubio took to the stage in his home city of Miami a long way behind Donald Trump and Ted Cruz in the race to be his party's nominee.
Mr Trump picked up a key endorsement of Ben Carson, who last week dropped out of the race, hours before the debate.
Obama: 'Don't blame me for Trump'Obama: 'Don't blame me for Trump'
Who are the Muslims supporting Trump?Who are the Muslims supporting Trump?
Crucial state contests are being held in Florida and Ohio on Tuesday, as Mr Trump's rivals try to make up ground.Crucial state contests are being held in Florida and Ohio on Tuesday, as Mr Trump's rivals try to make up ground.
Debate highlights so far:Debate highlights so far:
Ohio Governor John Kasich and Florida Senator Mr Rubio are under pressure to win their home states.Ohio Governor John Kasich and Florida Senator Mr Rubio are under pressure to win their home states.
There are 350 delegates up for grabs on Tuesday, with the winner taking all in Florida.There are 350 delegates up for grabs on Tuesday, with the winner taking all in Florida.
Another interesting exchange was over President Barack Obama's historic visit to Cuba next week.
Mr Rubio, whose parents were Cuban immigrants, was opposed to the recent normalisation of relations between the two countries and said Cuba should improve human rights first.
But Mr Trump said he was not opposed to a US-Cuba deal, but it should be on better terms for the US.
Mr Trump, a billionaire businessman from New York with no political experience in office, has dominated the news, the polls and the state primary contests so far.Mr Trump, a billionaire businessman from New York with no political experience in office, has dominated the news, the polls and the state primary contests so far.
On Wednesday, he added to his list of controversial remarks when he told CNN: "I think Islam hates us, there's a tremendous hatred. We have to get to the bottom of it." On the Democratic side, Vermont Senator Bernie Sanders and former Secretary of State Hillary Clinton are battling for the party's nomination.
There were signs that Mr Trump has been more conciliatory of late. Mrs Clinton is leading Mr Sanders in delegate counts so far, though his campaign has proved more formidable than expected.
After additional state wins on Tuesday night, he said he had "great respect" for House Speaker Paul Ryan. Both parties will determine their nominees at conventions in July, then Americans will pick their new president in November.
He also discouraged booing at the mention of former Republican presidential candidate Mitt Romney's name and urged the Republican party to "unify" behind him.
The next votesThe next votes
15 March: Florida, Illinois, Missouri, North Carolina, Ohio Primaries15 March: Florida, Illinois, Missouri, North Carolina, Ohio Primaries
22 March: Arizona Primary, Utah Caucuses, Idaho Caucuses (Democratic)22 March: Arizona Primary, Utah Caucuses, Idaho Caucuses (Democratic)
26 March: Alaska, Hawaii, Washington Caucuses (Democratic)26 March: Alaska, Hawaii, Washington Caucuses (Democratic)
1 April: North Dakota Caucuses (Republican)1 April: North Dakota Caucuses (Republican)
5 April: Wisconsin Primary5 April: Wisconsin Primary
9 April: Wyoming Caucuses (Democratic)9 April: Wyoming Caucuses (Democratic)
19 April: New York Primary19 April: New York Primary
On the Democratic side, Vermont Senator Bernie Sanders and former Secretary of State Hillary Clinton are battling for the party's nomination.
Mrs Clinton is leading Mr Sanders in delegate counts so far, though his campaign has proved more formidable than expected.
Both parties will determine their nominees at conventions in July, then Americans will pick their new president in November.