The United States has issued a global travel alert because of an al-Qaida terrorist threat.

U.S. State Department in Washington DC (Alex Wong/Getty Images)

The State Department says the potential for terrorism is particularly strong in the Middle East and North Africa. It says an attack could occur or come from the Arabian Peninsula.

The department says in a statement that al-Qaida and its affiliated organizations "continue to plan terrorist attacks both in the region and beyond."

The travel alert comes a day after the U.S. announced that it would shutter its embassies and consulates throughout the Muslim world on Sunday, and possibly longer.

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