Trump has fired SDNY US Attorney Geoffrey Berman, at Barr's request

According to the New York Times, AG William Barr announced on Saturday that Donald Trump had fired Geoffrey Berman, the US Attorney for the Southern District of New York who investigated several of Donald Trump's associates. Berman had issued a press release Friday night, stating "I have not resigned, and have no intention of resigning, my position," after Barr announced Berman's resignation.
In a statement, Barr wrote that Berman had "chosen public spectacle over public service" and further stating: "Because you have declared that you have no intention of resigning, I have asked the President to remove you as of today, and he has done so."