Leaders confirm G20 attendance:

A number of world leaders have announced that they will come to China to attend the 11th G20 Leaders Summit in early September.

Canadian Prime Minister Justin Trudeau will make an official visit to China at the end of August aimed at boosting trade ties, his office announced on Thursday.

The Aug 30-Sept 6 trip will include stops in Beijing, Shanghai and Hong Kong, where Trudeau will meet with political and business leaders.

Trudeau will also travel to Hangzhou for the summit of leaders of the Group of 20 economic powers on Sept 4 and 5.

Republic of Korea President Park Geun-hye will also attend the G20 summit, Park's office said on Thursday, according to the ROK newspaper Dong-A Ilbo.

She also will participate in forums with members of the Association of Southeast Asian Nations and attend the East Asia Summit in Vientiane, Laos, and meet with her Laotian counterpart on Sept 7-9.

UK Prime Minister Theresa May has confirmed that she will travel to China next month to boost trade relations. In a letter to President Xi Jinping and Premier Li Keqiang, May said she supported China's hosting of the G20 summit and wanted to build a stronger trade relationship.