Trump calls for apology from Fiorina
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Republican presidential candidate Donald TrumpDonald John TrumpBiden says GOP senators have called to congratulate him Biden: Trump attending inauguration is 'of consequence' to the country Biden says family will avoid business conflicts MORE is hitting back at rival Carly Fiorina on Friday after she blasted the real estate mogul for likening the "pathological" temper of Ben Carson's youth to the mentality of a child molester.

".@CarlyFiorina Ben Carson said in his own book that he has a pathological temper and pathological disease. I didn't say it, he did. Apology?" Trump tweeted in response to a Facebook post Fiorina wrote Thursday.


Trump also responded to other statements Fiornia made on Facebook about the billionaire's claims he met Russian President Vladimir Putin and his education at The Wharton School of the University of Pennsylvania.

"Who is your fact checker? Will you apologize?" Trump tweeted to Fiorina. 

Trump criticized Fiorina during Tuesday's GOP presidential debate for speaking over others.

The two have quarrelled repeatedly in the White House race. Trump mocked Fiorina's appearance in September, exclaiming, "Look at that face!" The two also attacked each other's business records.

- Updated at 3:59 p.m.