The relationship between the White House and the Federal Reserve has often been tense, but under Donald Trump's administration, the friction over interest rates has reached notable levels.

President Donald Trump cited new inflation data in continuing to pressure Federal Reserve Chair Jerome Powell to lower interest rates, calling him a "numbskull" but adding that he won't seek to remove him.

The US central bank is expected to keep interest rates unchanged for a fourth straight policy meeting this week, despite President Donald Trump's push for rate cuts, as officials contend with uncertainty sparked by the Republican's tariffs.