On August 21, opposition members walked out of parliament’s first sitting since November 2002 in protest over constitutional changes enabling President to sack PM and dissolve parliament. Sectarian violence continues in Quetta: 2 Shia men killed in separate attacks on 16 August. Angry mobs torched cars and destroyed property after one victim’s funeral. Skirmishes continued between Pakistani and Afghan troops across disputed border. Afghan leaders accused Islamabad of doing too little to prevent al-Qaida and Taliban forces regrouping in Pakistan. Pakistan proposed greater intelligence sharing. Three-way commission (Afghanistan, Pakistan and U.S.) investigating border disputes agreed on 14 August to establish hotline between senior military commands.