The UN Secretary General Mr Ban Ki-Moon today called for the complete elimination of nuclear weapons. Mr. Ban made the remark during his first visit to the Japanese city of Nagasaki, where over 70,000 people perished when the US dropped an atomic bomb during World War II.In a speech at the hypo center of the atomic bombing on August 6, 1945, Mr. Ban said, the only way to stop use of nuclear weapons is to eliminate them all. Hundreds of Nagasaki citizens gathered at the venue of the meeting on the occasion. The symbolic visit by the UN chief comes a day before his scheduled visit to Hiroshima, the second Japanese city where some 140,000 people were killed or died within months after the bombing. Japan surrendered on August 15, 1945 ending World War II.During his visit to the atomic bomb museum, Mr. Ban met with 81 years old Nagasaki A-bomb Sufferers' Council President Sumiteru Taniguchi, who was a speaker at the UN Nuclear Non-Proliferation Treaty review conference in May.