DEVELOPING: Trump Tests Positive for COVID-19, Begins Quarantine ‘Immediately.’ “In the wee hours of Friday morning, President Donald Trump announced he and first Lady Melania Trump had tested positive for COVID-19.”

Related: Trump aide Hope Hicks tests positive for COVID-19 after traveling with president.

UPDATE: Mike Pence Tests Negative for Coronavirus following Trump’s Diagnosis.

UPDATE (Friday 12:48 PM EDT): Senator Mike Lee (R-UT) Tests Positive for Coronavirus. “Lee added that he spoke with Senate Majority Leader Mitch McConnell (R., Ky.) and Senate Judiciary Committee head Lindsey Graham (R., S.C.) ‘and assured them I will be back to work in time’ to advance ‘the Supreme Court nomination of Judge Amy Coney Barrett.’”

And speaking of Barett: Amy Coney Barrett tested negative for coronavirus, last had contact with Trump on Saturday, White House says.

UPDATE (1:00 PM): Joe Biden, wife test negative for coronavirus after Trump diagnosis.

UPDATES (9:50 PM):

● President Trump Headed to Walter Reed Medical Center ‘Out of an Abundance of Caution.’

● “North Carolina Republican Sen. Thom Tillis, who is running for re-election, has become the fourth member of the Senate to test positive for COVID-19.”

UPDATE  (10:53 PM): Kellyanne Conway tests positive for COVID-19, experiencing ‘mild’ symptoms.

UPDATE: (Saturday 1:07 AM): Attorney General William Barr tested negative for COVID-19 on Friday morning.

UPDATES: (11:30 AM):

● “Senator Ron Johnson has tested positive for the coronavirus, his office announced on Saturday. The Wisconsin Republican ‘feels healthy and is not experiencing symptoms,’ the senator’s office said.”

● Three members of the White House Press Corps reportedly test positive for Covid-19.

● Trump campaign manager Bill Stepien becomes latest aide to test positive for COVID after attending ‘Amy Coney Barrett superspreader event’ and helping prep the President for the debate alongside Chris Christie — who is now waiting for his own test results.

● Speaking of which, former NJ Gov. Christie tweets, “I just received word that I am positive for COVID-19. I want to thank all of my friends and colleagues who have reached out to ask how I was feeling in the last day or two. I will be receiving medical attention today and will keep the necessary folks apprised of my condition.”

UPDATE (11:20 PM): “White House aide Nick Luna, who serves as a personal attendant to Trump, has tested positive for coronavirus infection, according to people familiar with the matter…Known as Trump’s body man, Luna is the latest member of Trump’s inner circle of White House personnel to contract coronavirus.” “Another factor that is unsettling White House aides tonight is Nick Luna is married Cassidy Dumbauld, who is an aide to Jared Kushner. More people in the circle around Trump’s senior adviser diagnosed with coronavirus.”

UPDATE 10/6/20:

● White House Spokeswoman Kayleigh McEnany Tests Positive For Coronavirus.

● Stephen Miller, Top White House Advisor, Is Self-Isolating After Testing Positive For Coronavirus.