Even as Hillary Clinton claimed the Democratic Party's presidential nomination Tuesday night, rival Bernie Sanders vowed to stay in the race.

"The American people in my view will never support a candidate whose campaign theme is bigotry," Sanders said. "We will not allow Donald Trump to become president of the United States."

The Vermont senator will meet with President Barack Obama on Thursday "to continue their conversation about the significant issues at stake in this election that matter most to America's working families," according to a White House statement released late Tuesday.

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