Donald Trump visits US-Mexico border wall in Arizona - and says it keeps out Covid-19
US president Donald Trump has visited the US-Mexico border and credited his new wall with stopping both illegal immigration and the coronavirus.
In the blazing summer heat, Mr Trump briefly stopped to inspect a new section of the concrete and rebar structure where the president and other officials took a moment to scrawl their signatures on the wall.
"It is the most powerful and comprehensive border wall structure anywhere in the world," said Mr Trump during a roundtable at the US Border Patrol Station in Yuma, Arizona.
"It's got technology that nobody would even believe. Between sensors and cameras and everything else."
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