Presumptive US Republican presidential candidate Donald Trump has admitted he "has regrets" about his US election campaign but said he would not have been successful otherwise.
He was speaking to Fox News presenter Megyn Kelly, with whom he has had a feud since a TV debate last August.
09:22 Trump seeks to move past controversies as he lands in Riyadh38
01:11 Mattis Says Escalation Against ISIS Doesn’t Imperil More Civilians26
16:31 Will Melania Trump wear a headscarf in Saudi Arabia? Donald Trump circa 2015 seems to think she should24
04:55 Melania Trump to meet with U.S. military families during first trip47