in Israel.
White House spokeswoman Sarah Huckabee Sanders says the president is "pretty solid" in his thinking on the plan but won't say what Trump will announce.
Sanders says the president will make the "best decision for the United States."
U.S. officials have said Trump may recognize Jerusalem as Israel's capital, a move that could inflame tensions across the Middle East but offset a likely decision delaying his campaign promise to move the U.S. Embassy from Tel Aviv to Jerusalem.
Trump had been speaking Tuesday to Middle East leaders about the decision.
The U.S. Consulate in Jerusalem has ordered its personnel and their families not to conduct personal travel to Jerusalem's Old City or the West Bank due to fears of unrest over the expected U.S. announcement.
Palestinian groups have threatened widespread protests if President Donald Trump recognizes contested Jerusalem as Israel's capital or advances plans to move the U.S. Embassy there from Tel Aviv.
