President Asif Ali Zardari will lead Pakistans delegation to the Summit of Shanghai Cooperation Organization (SCO), being held in Astana, Kazakhstan on June 15. Foreign Office Spokesperson Tehmina Janjua, giving details of the visit of President Zardari to Astana, on Thursday said the SCO Summit will celebrate the 10th anniversary of the founding of the organization.She said the issues of regional and global peace and security will be at top of the agenda at the SCO Summit.