A meeting of three-party commission held in Kabul on Tuesday to discuss regional security issues. Chief of Army Staff (COAS) General Ashfaq Pervez Kayani, Afghanistans Army Chief and commander of US and NATO forces in Afghanistan General Stanley McChrystal participated in the three-party commissions summit. COAS General Kayani held a meeting with Afghan President Hamid Karzai and discussed with him Pak-Afghan border security situation.