Protesters forced back after rushing walls of U.S. Embassy in Yemen

There were clashes Thursday between anti-U.S. protesters and Yemeni police…

There were clashes Thursday between anti-U.S. protesters and Yemeni police at the U.S. Embassy in Sanaa. CBS News sources say a large group of protesters reached the walled compound, but failed to breach any of the buildings inside the compound as police fired warning shots to try to disperse the crowd.

All U.S. embassies and diplomatic posts were ordered to increase security measures Wednesday by President Obama, following the deadly attack on the U.S. consulate in Benghazi, Libya, on Tuesday.

The number of protesters in Sanaa was estimated between 3,000 and 4,000, according to sources speaking to CBS News partner network Sky News.

Yemen is the home of al Qaeda in the Arabian Peninsula (AQAP), one of the most active and dangerous terror groups linked to the central al Qaeda organization. The U.S. military and intelligence agencies have worked alongside Yemeni officials to counter the Islamic extremist element inside the country. Many drone strikes have been carried out, allegedly by the U.S., in the last year targeting militants in Yemen.

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