The State Department issued a "Worldwide Caution" as President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE announced the U.S. would begin recognizing Jerusalem as the capital of Israel.

The update did not specially mention Jerusalem or the president's announcement.

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The message on Wednesday, which replaces a similar warning from Sept. 14, urges U.S. citizens around the world "to maintain a high level of vigilance and take appropriate steps to increase their security awareness when traveling."

"In addition to concerns stemming from terrorism, travelers should be alert to the possibility of political unrest, violence, demonstrations, and criminal activities when traveling," it said, adding that U.S. government facilities are on a heightened state of alert.

"U.S. citizens abroad are urged to monitor the local news and maintain contact with the nearest U.S. embassy or consulate," it said.

"The Worldwide Caution was updated with information on the continuing threat of terrorist actions, political violence, and criminal activity against U.S. citizens and interests abroad," a State Department spokesperson told The Hill.

The department on Tuesday urged U.S. citizens to avoid Jerusalem’s Old City and the West Bank over fears of protests and violent reaction to the president's announcement.

Trump announced plans on Wednesday to recognize Jerusalem as the Israeli capital, in addition to plans to move the U.S. embassy from Tel Aviv to Jerusalem.

The move is likely to spark unrest.

Palestinian have demanded that part of Jerusalem be set aside as their capital and the international community has traditionally view Tel Aviv as the capital of Israel.

—This report was corrected at 9:55 a.m.