Pakistan, Sept. 27 -- China and the United States agreed to set up a "communication channel" for artificial intelligence incidents, both sides said, after a Washington summit short on breakthroughs.

Donald Trump and Xi Jinping discussed matters ranging from AI and trade to the stalled war in Iran, and confirmed that they would meet for a third and fourth time this year at international summits in China and the United States. Xi's visit to Washington was marked more by pomp than substance, but the White House said on Friday the nations agreed to establish a "bilateral communication channel" for AI incidents. Chinese state media confirmed the AI hotline was agreed in a report about the summit's outcomes on Saturday. While billionaire Trump...