McEntee's departure marks the latest in a shakeup of personnel in the administration. Whatever issues drove him from the White House were apparently not enough to keep him entirely off Trump's payroll. Here is an interactive timeline of White House staff who have departed, how long they served, and why they left.
Secretary of State Rex Tillerson was sacked by Trump on March 13, ending a rocky tenure as the nation's top diplomat for the former chief executive of Exxon.
Officials declined to say what issues prompted the security concerns about McEntee.
British counter-terrorism unit investigates death of late tycoon Berezovsky's associate
A lawyer says a Russian businessman who associated with a prominent critic of the Kremlin has died in London . Mr Berezovsky lost the £3.2bn claim and was found by a judge to have been "deliberately dishonest".
McEntee was escorted from the White House and was not allowed to collect his belongings.
His exit followed the recent departure of a number of top aides. Kelly traveled with Trump on Tuesday to California, and was by the President's side for most of the day as he toured prototypes for a border wall. In the same 24 hours, he promptly received a new position in Trump's 2020 reelection campaign. Trump appointed Schiller as the Deputy Assistant to the President and the Director of Oval Office Operations.
Ex-Liverpool man Coutinho implores Barca to sign Neymar
Real Madrid are mooted to bid €400m for the Brazil captain at the end of this season. "Or even earlier than that", Zidane said. Chelsea will be very hard , and the fans know we have to be together. "Let's not talk about hypothetical situations".
"He is looking for people who are in broad agreement with what he wants to do and who are willing to accept that he's the team leader", said Republican former Speaker of the House of Representatives Newt Gingrich, an informal Trump adviser.
President Trump's personal assistant was removed from his job this week, leaving the president more isolated amid a growing exodus of many of his most trusted aides.
McEntee has been with Trump since the early stages of the president's campaign. The senior administration official said that the president has been in a "good place" recently, but said that it is hard to overstate the effect of the departure, along with that of Hicks. Porter left after it was revealed that allegations of spousal abuse were holding up his permanent security clearance. Porter had been found to have worked on a series of temporary clearances stretching more than a year, despite what his ex-wives told the Federal Bureau of Investigation during background checks.
Fox Hosts Battle Over Whether Clinton Says More Controversial Things Than Trump
Co-host Melissa Francis disregarded the comments about Trump, saying attempts to attack his message obviously didn't work. Claire McCaskill (D-Mo.), who is running in a state Trump won by 19 points.
As student protesters gathered outside the Capitol on Wednesday to mark a month since the Florida shooting, the White House released a statement saying the bill would protect children through Justice Department grants for identifying and preventing school-targeted violence.