Trump welcomes Xi to Washington

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China’s President Xi Jinping is in Washington for a highly anticipated state visit. On his arrival he received a personal planeside greeting by President Donald Trump. The two men will discuss the key issue of Artificial Intelligence. We speak to one of China's leading high-tech manufacturers. Australia says an artificial intelligence agent developed by OpenAI "infiltrated" an Australian government website in June. Australia's Prime Minister said the agent accessed both public and non-public files and a "forensic investigation" is underway to find out if other government systems were affected. And we go to Ethiopia where fighting has broken out between government troops and the party that controls the northern region of Tigray. Presenters: James Copnall and Anne Soy. (Photo: US President Donald Trump welcomes Chinese President Xi Jinping at Joint Base Andrews, Maryland, USA. Credit: Jim Lo Scalzo/EPA).