Former US Attorney General Jeff Sessions

United States Attorney General Jeff Sessions has resigned at the request of President Donald Trump.

Sessions announced his plan to resign in a letter to the White House on Wednesday. Trump announced in a tweet that Sessions’ chief of staff Matt Whitaker would become the new acting attorney general.

The abrupt move ended Sessions’ tumultuous tenure as the nation’s top law-enforcement officer and follows months of Trump expressing his displeasure with Sessions in critical tweets.