The US Federal Reserve left interest rates unchanged for the fourth time this year after its first meeting under new chair, Kevin Warsh, a Donald Trump appointee who has taken over the central bank during a tumultuous time for the US economy.

“Economic activity is expanding at a solid pace despite elevated uncertainty that owes, in part, to the conflict in the Middle East,” the Fed’s open market committee said in a short statement. “Productivity growth and capital investment are strong. Job gains have kept pace with the workforce, and the unemployment rate has changed little.”