Of the United States in a global travel alert after threat of Al Qaeda '.

U.S. State Department issued a global travel alert because of the threat of Al Qaeda is not specified.

In order that the potential for a strong attack, especially in the Middle East and North Africa.

It came shortly after the U.S. announced nearly two dozen embassies and consulates will be closed on Sunday.

Alert will expire on August 31, 2013, the department said it recommended U.S. citizens traveling abroad to be careful.

"Current information suggests that al Qaeda and affiliated organizations continue to plan terrorist attacks in the region and beyond, and that they may focus their efforts to take action. attacks between now and the end of August, "the statement said.

Alerts to warn of "The potential for terrorists to attack public transportation systems and other tourist infrastructure."

The UK Foreign Office has confirmed that British embassies in Yemen on Sunday and will be closed on Monday's. "Preventive measures".

Of the United States in a global travel alert after threat of Al Qaeda '.