Clashes as prominent Pakistan cleric returns to lead 'revolution'
Police fired tear gas at supporters of a Canada-based cleric at Islamabad airport on Monday as he returned to Pakistan to lead what he has called a "revolution" against the elected government.
US formally takes responsibility for killing Awlaki
The United States formally said for the first time on Wednesday that it had killed radical Yemeni-American cleric Anwar al-Awlaki and three other US citizens in anti-terror strikes abroad.
