A White House national security official said Ukrainian President Volodymyr Zelenskyy "is being short-sighted" in not signing a rare earth minerals deal.

A news conference that was planned to follow talks between Ukrainian President Volodymyr Zelenskyy and U.S. President Donald Trump's Ukraine envoy was canceled Thursday as political tensions deepened between the two countries.

The president on Sunday named Dan Bongino, a podcaster and former Fox News host, as deputy FBI director to serve under newly confirmed Director Kash Patel.

The White House and Ukraine have made significant progress toward reaching an agreement that would provide the U.S. with access to Ukraine’s rare earth minerals and tighten the long-term relationship

Ukrainian President Volodymyr Zelenskyy accused President Donald Trump of perpetuating Russian “disinformation" on Wednesday, while Trump clapped back and labeled Zelenskyy a “dictator" who has failed his country.