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The Latest: World leaders arriving for G-20 summit in China

  • An honor guard of the People's Liberation Army stand at attention as Canadian Prime Minister Justin Trudeau, his wife Sophie Gregoire and daughter Ella-Grace arrive in Hangzhou, China, Saturday, Sept. 3, 2016. (Adrian Wyld/The Canadian Press via AP)

    An honor guard of the People's Liberation Army stand at attention as Canadian Prime Minister Justin Trudeau, his wife Sophie Gregoire and daughter Ella-Grace arrive in Hangzhou, China, Saturday, Sept. 3, 2016. (Adrian Wyld/The Canadian Press via AP)  (The Associated Press)

  • Canadian Prime Minister Justin Trudeau and wife Sophie Gregoire wave as they and daughter Ella-Grace arrive in Hangzhou, China, Saturday, Sept. 3, 2016. (Adrian Wyld/The Canadian Press via AP)

    Canadian Prime Minister Justin Trudeau and wife Sophie Gregoire wave as they and daughter Ella-Grace arrive in Hangzhou, China, Saturday, Sept. 3, 2016. (Adrian Wyld/The Canadian Press via AP)  (The Associated Press)

  • In this photo released by Xinhua News Agency, Jack Ma, center left, founder of China's e-commerce giant Alibaba, introduces the enterprise to visiting Indonesian President Joko Widodo at the headquarters of Alibaba Group in Yuhang District of Hangzhou in eastern China's Zhejiang Province, Sept. 2, 2016. Widodo is in Hangzhou to attend the G20 summit. (Liangkuai/Xinhua via AP)

    In this photo released by Xinhua News Agency, Jack Ma, center left, founder of China's e-commerce giant Alibaba, introduces the enterprise to visiting Indonesian President Joko Widodo at the headquarters of Alibaba Group in Yuhang District of Hangzhou in eastern China's Zhejiang Province, Sept. 2, 2016. Widodo is in Hangzhou to attend the G20 summit. (Liangkuai/Xinhua via AP)  (The Associated Press)

The Latest on G-20 summit in China (all times local):

10:50 a.m.

World leaders from 20 industrial and emerging-market nations are arriving in the southern Chinese city of Hangzhou for a summit starting Sunday.

Among the latest arrivals Saturday morning are Canadian Prime Minister Justin Trudeau, who has already visited Beijing and Shanghai on a state visit, and U.N. Secretary-General Ban Ki-moon.

They join heads of state who arrived a day earlier, including Singaporean Prime Minister Lee Hsien Loong, Indonesian President Joko "Jokowi" Widodo and South Africa's President Jacob Zuma — the only African member of the G-20. Argentine President Mauricio Macri and Turkish President Recep Tayyip Erdogan also arrived in Hangzhou.

President Barack Obama is expected to meet later Saturday with his Chinese host, President Xi Jinping. Ahead of the talks, China announced on Saturday that it has ratified the emissions-cutting agreement reached last year in Paris, giving a big boost to efforts to bring the accord into effect by the end of this year.

The United States is also expected to announce that it is formally joining the Paris Agreement.