President Obama on Tuesday tagged Mr. Trump “unfit to serve as president” at a news conference at the White House and urged the leaders of the Republican Party to withdraw their support for his candidacy.

Mr. Obama said the Republican criticisms of Mr. Trump “ring hollow” if the party’s leaders continue to support his bid for the presidency this fall, particularly in light of Republican criticisms of Mr. Trump for his attacks on the Muslim parents of an American soldier, Humayun Khan, who died in Iraq. [url]VERGE24.COM[/url] reports.

“The question they have to ask themselves is: If you are repeatedly having to say in very strong terms that what he has said is unacceptable, why are you still endorsing him?”

Obama added that Mr. Trump lacked knowledge about Europe, the Middle East and Asia.

“This isn’t a situation where you have an episodic gaffe. This is daily,” Mr. Obama added. “There has to be a point at which you say, this is not somebody I can support for president of the United States, even if he purports to be a member of my party. The fact that that has not yet happened makes some of these denunciations ring hollow.”