Story highlights Trump and Warren regularly engage in social media wars

Warren, a favorite among progressives, was considered a possible but unlikely choice for the VP slot

Washington (CNN) Donald Trump and Elizabeth Warren continued their ongoing Twitter feud Saturday in the wake of Hillary Clinton's decision to tap Tim Kaine as her running mate.

Trump, the Republican nominee for president, started the latest exchange Saturday morning when he again referred to the Massachusetts senator as "Pocahontas," a reference to her claimed Native American heritage.

"Pocahontas wanted V.P. slot so badly but wasn't chosen because she has done nothing in the Senate. Also, Crooked Hillary hates her," he tweeted.

Pocahontas wanted V.P. slot so badly but wasn't chosen because she has done nothing in the Senate. Also, Crooked Hillary hates her! — Donald J. Trump (@realDonaldTrump) July 23, 2016

Warren, arguably the Democrats' most vocal Trump opponent, dismissed the real estate mogul's claim that she was disappointed she wasn't chosen.

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