Trump has recently attacked Powell as a "stubborn MORON" and "a knucklehead."

Trump’s scathing comments came a day after the Federal Reserve decided to keep interest rates where they are.

Fed chair Jerome Powell has been subjected to vicious verbal attacks by Trump for months for not cutting short-term interest rates.

The US president has hurled insults at Jerome Powell, renewing calls for the Federal Reserve to slash interest rates.

Trump has recently attacked Powell as a "stubborn MORON" and "a knucklehead."

The Treasury Secretary has said he has "the best job in Washington," although he has often been floated as a name for the top job at the central bank.