Donald Trump and Ted Cruz
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Donald Trump clashes with Ted Cruz at Republican debate

Republican frontrunner Donald Trump has attacked Ted Cruz over his birth in Canada, saying it raised questions about his presidential eligibility.

In the latest Republican debate for White House hopefuls, broadcast on Fox News, Mr Trump told his rival: "There's a big question mark over your head."

Kim Ghattas reports from what was being called the sharpest and most personal debate yet.

  • 15 Jan 2016
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