Speaking in Arizona, vice-president seeks to turn one of her biggest vulnerabilities into a political strength

Kamala Harris accused Donald Trump of “playing political games” on immigration – his signature issue – as the vice-president sought to turn one of her biggest vulnerabilities into a political strength during a visit to the US-Mexico border on Friday.

Speaking in the Arizona border town of Douglas, Harris declared the US both a “sovereign nation” and a “country of immigrants” and said as president, she would strengthen controls at the southern border, while working “to fix our broken system of immigration”.