President Trump just announced that Matthew G. Whitaker, Sessions’ Chief of Staff, has became acting Attorney General after Sessions’ resignation.
“We are pleased to announce that Matthew G. Whitaker, Chief of Staff to Attorney General Jeff Sessions at the Department of Justice, will become our new Acting Attorney General of the United States. He will serve our Country well. We thank Attorney General Jeff Sessions for his service, and wish him well! A permanent replacement will be nominated at a later date,” President Trump said in a series of tweets.
We are pleased to announce that Matthew G. Whitaker, Chief of Staff to Attorney General Jeff Sessions at the Department of Justice, will become our new Acting Attorney General of the United States. He will serve our Country well….
— Donald J. Trump (@realDonaldTrump) November 7, 2018
UPDATE, Jeff Sessions confirms Trump asked for his resignation:
Jeff Sessions Resigns As Attorney General; Whitaker To Take Over Mueller Probe [zerohedge.com]