FILE PHOTO: The U.S. Supreme Court is seen as the court nears the end of its term in Washington, U.S., June 11, 2018. REUTERS/Erin Schaff/File Photo

ABOARD AIR FORCE ONE (Reuters) - President Donald Trump said on Thursday he will announce his nominee for a vacancy on the U.S. Supreme Court on Monday at 9 p.m. ET.

Trump told reporters during a flight to Montana for a rally that he would make his decision by Sunday on who he wants to replace Justice Anthony Kennedy, who is retiring, and that he had narrowed his search to four finalists, and was focusing primarily on just two or three.