After months of criticizing Federal Reserve Chair Jerome Powell, President Donald Trump took the fight to the Fed’s front door on Thursday, publicly scorning the central bank chief over the ballooning costs of a long-planned building project.

The long-simmering clash between President Donald Trump and Federal Reserve Chair Jerome Powell was on full public display during a Thursday afternoon tour of the renovation site at the central bank’s headquarters in Washington,

The administration has repeatedly criticized Jerome H. Powell, the chair of the central bank, for his handling of the economy and the cost of work on the institution’s headquarters.