Pakistani Muslim protesters burn a US flag during a rally in Lahore. Washington is braced for more violence aimed at its interests in the Arab and Muslim world, pulling non-essential embassy staff out... more 

Pakistani Muslim protesters burn a US flag during a rally in Lahore. Washington is braced for more violence aimed at its interests in the Arab and Muslim world, pulling non-essential embassy staff out of Sudan and Tunisia amid Al-Qaeda calls for more attacks on US targets less