A five-member parliamentary delegation of Pakistan Monday left for Tokyo en route to Seoul to attend the Second General Assembly of Inter Parliamentarians for Social Service (IPSS), officials said. Pakistan Senate (Upper House of Parliament) Chairman Mohammedmian Soomro leads the delegation. Its other members include Senators Mrs. Kalsoom Parveen, Farooq Naek and Senate Secretary Senate Raja Muhammad Amin. IPSS was created to provide parliamentary assistance to countries worldwide as they undertake social services and to establish a global social services network through inter-parliamentary exchanges and cooperation.