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WATCH: Trump visits Yuma, Arizona for border wall construction update

YUMA, Ariz. (AP) — President Donald Trump traveled to Yuma, Arizona on Aug. 18 for updates on the border.

Watch Trump’s remarks in the player above.

Grappling for votes — and the spotlight — as Democrats hold their national convention, President Donald Trump targeted voters in key states and constituencies Tuesday and promised a pardon for Susan B. Anthony, a leader in the women’s suffrage movement.

Trump flew to Arizona, one of the top 2020 battleground states, to press his case against his Democratic challenger, Joe Biden, painting him as radically left in one of his harshest broadsides yet of the campaign. Trump spoke in apocalyptic terms, insisting “the survival of our nation is at stake” in November.

“The Biden plan would unleash a flood of illegal immigration like the world has never seen,” he told the tightly-packed crowd. “It’s crazy.”

With his second trip in two days, Trump was hoping to mitigate a convention polling bump for his rival and to shore up support by contrasting his position with Biden’s on immigration, one of the most important issues to his political base. He was also trying to stanch an erosion in support among female voters with a symbolic nod on the centennial of the ratification of the 19th Amendment.