The announcement came as experts searched for 15 radiation sources buried in the rubble and survivors moved out of possible danger areas downstream from rivers dammed by landslides. With their waters pooling, the blocked rivers could breach the earthen barriers, a danger that would grow with coming rains or aftershocks.
Relief workers were grappling with finding tents and getting food and medical care for the displaced. Ban, the UN Chief, promised help with reconstruction and said the world body was waiting for China's assessment of what it needed. "If we work hard we can overcome this," Ban said, with Wen standing at his side. "The whole world stands behind you and supports you."
Meanwhile, the Chinese government has allocated 15.1 billion yuan for quake relief operations so far, the country's finance ministry said on Saturday.