The proceedings were also plagued by protests inside and outside the Cleveland basketball arena where the convention is being held.
Mr Trump's wife, Melania Trump, took centre stage, but even her appearance was not without trouble.
Protests within and without threaten to trump Trump
Ông Donald và bà Melania Trump tại đại hội Source: AAP
In the United States, the Republican National Convention has descended into chaos after opponents of presumptive party nominee Donald Trump stormed off the convention-hall floor.
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