Roundup: Multilateralism and UN reforms dominate first day of UNGA general debate

UNITED NATIONS, Sept. 23 (Xinhua) -- Over 30 heads of state and government delivered speeches at the UN headquarters on Tuesday, the first day of the 80th session of the UN General Assembly (UNGA), focusing on such issues as Palestinian statehood, climate change, multilateralism and Security Council reform.

"Multilateralism is at a new crossroads," with the authority of the United Nations "in check," said Brazil