Leaders of the Republican Party have reportedly thwarted U.S. President Donald Trump's efforts to take control of the Library of Congress after the firing of the head librarian

GOP congressional leaders have stood aside the past four months as President Donald Trump has attacked legislative branch prerogatives — shuttering agencies, canceling federal grants and imposing sweeping tariffs.

Lawmakers are raising separation-of-powers concerns as the White House seeks to install a Justice Department official at the legislative-branch institution.