Anti-government protesters throw a boy in the air during a rally to demand the ouster of Yemen's President Ali Abdullah Saleh in Sanaa May 8, 2011. [Photo/Agencies]

An Afghan border police keeps watch from a building which was used by the Taliban forces to attack the Kandahar governor's office in Kandahar city May 8, 2011. Afghan troops clashed with the Taliban in the southern city of Kandahar for a second day on Sunday after insurgents launched coordinated attacks with rocket-propelled grenades and suicide raids against government buildings. [Photo/Agencies]