The investigation into cost overruns on a renovation of Fed headquarters is drawing concern that it's a pretext to eventually fire the central bank chief.

A dispute over the Federal Reserve’s renovation of its headquarters could provide the pretext to attempt the removal of Fed chief Jerome Powell over interest-rate disagreements.

The White House on Thursday launched a fresh attack on Federal Reserve Chair Jerome Powell, with a top Trump administration official saying Powell had "grossly mismanaged" the central bank, chastising him for running a deficit and for extensive cost overruns for building renovations.