professor ian chong from the national _ out. from the national university of- the national university of singapore, thank you for joining us on the programme. just as they come in the last few minutes, as the indonesian president, joko widodo, has been opening the 620 formally, he said, speaking in english, "that we must end the war, if the water is not and it will be difficult for the world to move forward." referring to the ukraine. just there was in china on the minds of leaders here today, but certainly that conflict in ukraine top of the agenda, because it has so many global ramifications from instability in the west, but also on the impact on global food prices, another key issue that has been discussed at the 620 today. we will follow those twists and turns closely here on bbc news and on our website. stay with us on bbc news. still to come: the bbc celebrates the 100th anniversary of its first official radio broadcast. benazir bhutto has claimed victory in pakistan�*s general election and she�*s asked pakistan�*s preside