Anti-government protesters shout slogans during a demonstration to demand the ouster of Yemen's President Ali Abdullah Saleh in the southern city of Taiz June 14, 2011. [Photo/Agencies]

Armed guards, seen through a shattered window, walk near damaged cars at the house of Yemeni tribal leader Sadiq al-Ahmar in Sanaa June 13, 2011. [Photo/Agencies]