New York:Prime Minister Muhammad Shehbaz Sharif held informal meetings with world leaders during the opening session of the 81st United Nations General Assembly.According to Radio Pakistan, the Prime Minister met separately with Austrian Federal Chancellor Christian Stocker and President of Somalia Hassan Sheikh Mohamud.The discussions, which took place in a cordial atmosphere, focused on the progress of bilateral relations between Pakistan and the respective countries, as well as other matters of mutual interest.Prime Minister Shehbaz Sharif is in New York to participate in the sessions of the United Nations General Assembly.