ISLAMABAD, June 21 (Xinhua) -- Pakistani Prime Minister Shehbaz Sharif and Chief of Army Staff Field Marshal Syed Asim Munir met an Iranian delegation led by Parliament Speaker Mohammad Bagher Ghalibaf and Foreign Minister Abbas Araghchi on the sidelines of U.S.-Iran technical level talks being held in Burgenstock, Switzerland, on Sunday, the Prime Minister's Office said in a statement.