US Presidential polls: Nikki Haley wins Republican primary in Washington DC

Nikki Haley emerges victorious in the Republican primary in the District of Columbia, interrupting Donald Trump's dominance. She offers an alternative to Trump and aims to prevent Joe Biden from serving a second term. Haley, the only remaining challenger to Donald Trump in the race, won 62.9% of the vote, versus 33.2% captured by the former president.